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Last Complete Site Update: 10/26 - 4:36 PM

Weather for New England and the Northeast

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October is crisp days and cool nights, 
a time to curl up around the dancing flames and sink into a good book.
 - John Sinor

Today’s Weather at a Glance

Updated Every Morning and as Needed Through the Day

(Averages Across Southern NH)
69Degrees
High Temperature
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Probability of Precipitation - Daytime
34Degrees
Low Temperature
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Probability of Precipitation - Nighttime
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Today in Peterborough, NH at a Glance

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Today in Nashua, NH at a Glance

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Your Daily Forecast - Three Days at a Time

No active advisories at this time

None

Monday/Monday Night - October 26

Nashua - East

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Partly cloudy, with a low around 35. Northwest wind around 5 mph.

Peterborough - Central/West

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Partly cloudy, with a low around 31. Northwest wind around 5 mph becoming calm after midnight.

Tuesday/Tuesday Night - October 27

Nashua - East

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Sunny, with a high near 54. North wind around 5 mph.

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Clear, with a low around 26. Calm wind.

Peterborough - Central/West

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Sunny, with a high near 52. North wind around 5 mph.

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Mostly clear, with a low around 25. Calm wind.

Wednesday/Wednesday Night - October 28

Nashua - East

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Sunny, with a high near 58. Calm wind.

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Partly cloudy, with a low around 40. Calm wind.

Peterborough - Central/West

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Sunny, with a high near 56. Calm wind becoming southwest around 5 mph.

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Partly cloudy, with a low around 39. Calm wind.

Thursday/Thursday Night - October 29

Nashua - East

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Sunny, with a high near 68.

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Mostly clear, with a low around 50.

Peterborough - Central/West

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Mostly sunny, with a high near 64.

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Mostly clear, with a low around 48.

Friday/Friday Night - October 30

Nashua - East

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Peterborough - Central/West

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Saturday/Saturday Night - October 31

Nashua - East

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Peterborough - Central/West

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Sunday/Sunday Night - November 1

Nashua - East

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Peterborough - Central/West

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Current Weather Readings in Peterborough, NH

Time of the readings below: 27 Oct 2026 3:18 AM

(FYI: The number in parentheses is the change in the last hour)
(Note: My weather Instruments are Offline from Midnight Wednesday to 7AM Thursday, weekly, for system Back ups.)

Current Temperature: 

46.6°F (-2.0)

High Temperature:

54.3 at 12:00 AM

Low Temperature:

46.6 at 3:16 AM

Precipitation Today:

0.00 inches

Current Dewpoint:

33.5°F (-0.2)

Lowest Wind Chill Reading:

46.6 at 3:16 AM  

Current Windspeed:

2 MPH (-0)

Barometric Trend:

Rising Slowly

Hours of Daylight Today:

10:29

Link to my Active Weather Instruments

weathervane

Information for New England

Rich's Weather Discussion

New Hampshire/North Briefing

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Massachusetts/South Briefing

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At this moment: 10/26 - 4:36 PM

Notes from Rich:
What is the 'Regular’ Schedule.
Weekdays: Morning updates each day before 8AM, Evening Updates before 7PM.
On Weekends: Perhaps a bit later. I like to sleep in.
Every Thursday morning I post the daily forecast through the weekend.

Upcoming Site Update Schedule Changes & General Messages: 

Back to the normal schedule.

Southern New Hampshire is experiencing mild, pleasant conditions this Monday afternoon, October 26, with partly sunny skies and temperatures near 70 degrees in many areas. Current temperatures are approximately 70¬?F in Keene, NH, 68¬?F in Peterborough, NH, and 70¬?F in Nashua, NH. A mix of sunshine and increasing clouds is expected through the late afternoon, with generally light winds and no significant precipitation anticipated. The region is enjoying an unusually warm late-October afternoon, making it a good day for outdoor activities.

Clouds will linger at times this evening, but dry weather is expected to continue across southern New Hampshire. Temperatures will gradually fall after sunset, reaching the 50s by mid-to-late evening before dropping further overnight. Overnight lows are forecast to range from the lower 30s in the Keene and Peterborough areas to the middle 30s around Nashua. Residents should enjoy the mild afternoon while it lasts and plan for a much cooler evening, especially if spending time outdoors after dark.

Some Pumpkin Help.
How do you know when it’s time to carve your pumpkin? Now that we’re under the two-week mark until Halloween, it’s a pretty natural question to ask. And I think that, for many of us, the answer is that we carve our pumpkins when we have free time, quite possibly on the weekend before Halloween. Which, it turns out, can be fine, or it can be a recipe for scary (but not in a good way) jack-o-lanterns.
Here’s the deal: Pumpkins are extremely hardy when they are intact. But once we start gouging holes in them and ripping out their innards, a whole new chemistry starts taking place. As the moist inner walls of pumpkin flesh get exposed to the elements, a lifespan of months gets reduced to just a few days. And how fast that happens comes down to the weather.
In cool, crisp autumn air, bacteria and mold move slowly, and a carved pumpkin can hold up for five to seven days (up to 10 in ideal conditions). But when it's warm and humid, with temperatures in the 60s and 70s or higher, pumpkins can soften and grow mold in a hurry. If that's your forecast, wait until a day or two before Halloween to carve, or bring your pumpkin indoors during the warmest part of the day.
Rain and freezing temperatures are the other things to watch. Heavy rain or dew can make the bottom and cut edges rot quickly, and a hard freeze can turn the flesh to mush once it thaws. The solution? After you’ve carved your masterpiece, keep an eye on the hourly forecast, and bring the pumpkin in for the night when either rain or freezing temps threaten.
Finally, if you really want to take care of your jack-o-lantern, here are a couple of pro-level tricks you can try. 1: Sanitize by wiping the inside and cutting the pumpkin’s edges with a diluted bleach-and-water solution to kill mold spores. 2: Seal the edges by rubbing vegetable oil or petroleum jelly on the cuts to lock in the pumpkin’s natural moisture. 3: Instead of a candle, which will dry out and cook the inside of the pumpkin, try using a battery-operated LED tea light instead.
Good luck, and may your pumpkin look fresh and perfect on its big night!

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On this day in history:
On this day in 1764, future President John Adams married Abigail Smith. This devoted couple's extensive correspondence throughout their marriage has provided both entertainment and insights into early American life for generations of history enthusiasts.

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Weather Summaries and Full Area Forecast Discussions - North (Edited)

Summary - Northern New England - New Hampshire and Maine

Summary:
High pressure will keep Maine and New Hampshire mostly dry and seasonably quiet through the coming week, with temperatures averaging warmer than normal overall. A brief cooldown arrives tonight and continues into Tuesday night, when some of the coldest temperatures of the season so far are expected. Warmer weather returns later in the week, with some locations in southern New Hampshire and coastal western Maine possibly approaching 70 degrees. Another mostly dry cold front arrives heading into Saturday, bringing temperatures back closer to normal and crisp conditions for Halloween trick-or-treating.

Key Messages:

High pressure will control the weather for the next week, bringing dry conditions and no significant weather impacts.

What has changed since the last Forecast Update?
No significant changes have been made to the forecast with this update.

What this means for you:
Expect a generally quiet week with little concern for rain or significant weather impacts. Temperatures will turn chilly tonight, and Tuesday night could bring lows in the teens and lower 20s in colder locations. Later in the week, enjoy a return to milder weather, potentially reaching near 70 degrees in parts of southern New Hampshire and coastal western Maine. By Saturday, cooler air will return, setting up a crisp Halloween weekend.

Click the Open/Close Button to Display the Full Edited Area Forecast Discussion

Area Forecast Discussion, National Weather Service Gray ME

Date and Time: 2:17 PM EDT Monday, October 26, 2026

What Has Changed


No significant changes have been made to the forecast with this update.

Key Messages

1\. High pressure will control the weather for the next week, bringing dry conditions and no significant weather impacts.

Discussion

High Pressure Keeps Weather Mostly Dry


High pressure will remain the main influence on local weather for the foreseeable future. This will bring generally fair skies, dry conditions, and temperatures that average warmer than normal for late October.

However, temperatures will still fluctuate as autumn progresses. One brief cooldown will follow a mostly dry cold front moving through tonight. High temperatures Tuesday will struggle to reach the 50s, with much of southern Maine and New Hampshire remaining in the 40s. Areas north of the mountains will generally stay in the mid 40s.

Dry air moving into the region, along with steady winds, should help limit the development of significant radiation fog tonight. Radiation fog forms when the ground cools after sunset, chilling the air near the surface enough for moisture to condense into fog.

Colder Conditions Tuesday Night

After the cold front passes, high pressure will build back into the region. Tuesday night could bring the coldest temperatures of the season so far, particularly in sheltered and colder locations.

Forecast guidance has been adjusted to account for colder readings in some spots, with temperatures potentially falling into the teens and lower 20s. Other forecast guidance also supports this overall cooling pattern as skies clear and the ground loses heat overnight. This process, known as radiational cooling, allows temperatures to drop more quickly when skies are clear and winds are light.

Warmer Weather Returns Late in the Week

As high pressure shifts offshore, winds will turn and begin bringing milder air back into the region later in the week. Temperatures are expected to climb above normal again, with a couple of opportunities for readings near 70 degrees across southern New Hampshire and coastal western Maine.

Another Dry Front Arrives Saturday

Another mostly dry cold front is expected to move through heading into Saturday. This front should bring temperatures back closer to normal for late October, rather than producing a significant period of rain.

The result should be classic late October weather for Halloween, with crisp conditions for trick-or-treating.

Weather Summaries and Full Area Forecast Discussions - South (Edited)

Summary - Southern New England - Massachusetts/Northern CT/Rhode Island

Summary:
Southern New England is heading into an extended stretch of dry weather that should last through the first half of the upcoming weekend. Temperatures will turn cooler Tuesday and Wednesday, with some inland locations potentially dropping into the 20s at night. Warmer weather returns late in the week, with Friday shaping up to be the warmest day as temperatures climb into the upper 60s and locally lower 70s. A weak cold front moves through Friday night, bringing temperatures back closer to seasonal levels for the weekend. There are indications of a more unsettled weather pattern developing late in the weekend and into next week, although the timing remains uncertain.

Key Messages:

 - A prolonged stretch of dry weather is expected through the first half of the upcoming weekend.
 - Seasonably cool temperatures are expected Tuesday through midweek, followed by warmer weather later in the work week.

What has changed since the last Forecast Update?
No meaningful changes have been made to the forecast. An extended stretch of quiet, dry weather remains expected across southern New England.

What this means for you
Expect mostly dry weather across southern New England for the next several days, with no significant weather impacts anticipated. Tuesday and Wednesday will feel cooler, and clear skies could allow temperatures to fall below freezing in some inland areas overnight. By Thursday and Friday, milder air returns, with Friday offering the best chance for temperatures near or above 70 degrees in many lower-elevation locations. The weekend starts on a seasonable note, but chances for showers may increase later in the weekend and into next week.

Click the Open/Close Button to Display the Full Edited Area Forecast Discussion

Area Forecast Discussion, National Weather Service Boston/Norton MA

Date and Time: Monday, October 26, 2026, 2:54 PM EDT

What Has Changed


No meaningful changes to the forecast. An extended stretch of quiet and dry weather remains expected.

Key Messages

- A prolonged stretch of dry weather is expected through the first half of the upcoming weekend.
- Seasonably cool temperatures are expected Tuesday through midweek, followed by warmer weather later in the work week.

Discussion

Cooler Weather Arrives Tonight and Tuesday


A cold front will move southward across southern New England tonight. This front contains limited moisture, so its main effects will be breezy northerly winds overnight and the arrival of cooler air.

An area of higher pressure aloft, known as upper-level ridging, along with high pressure near the surface, will control the weather through the upcoming weekend. This pattern favors mostly dry conditions.

Tuesday will be cooler behind the front, with high temperatures generally reaching the mid to upper 50s. Coastal areas, including Cape Cod and the Islands, along with parts of the eastern coastline, may only reach the lower 50s because of winds blowing in from the north and northeast over cooler ocean waters.

Cold Nights Tuesday and Wednesday

Clear skies and light winds will allow temperatures to drop efficiently Tuesday night into Wednesday morning. This process, called radiational cooling, occurs when the ground loses heat after sunset and temperatures fall under clear skies.

Overnight lows will generally reach the upper 20s to 30s. Higher elevations, valleys, and other locations that cool quickly could fall into the mid-20s, with a few spots potentially dropping into the lower 20s.

Similar weather is expected Wednesday, although temperatures will begin to edge upward as the area of higher pressure aloft shifts eastward and warmer air moves into the region.

Warmer Weather Returns Late in the Week

The warming trend will continue Thursday and Friday. High temperatures Thursday should reach the mid-60s, which is seasonably warm for late October.

Friday is expected to be the warmest day of the week. Although the upper-level wind pattern will become more west-to-east, ahead of another weak weather system, westerly winds will help mix warmer air down toward the surface. This should lead to breezy conditions and afternoon highs in the upper 60s, with some locations in southern New England reaching the lower 70s.

Forecast guidance indicates a 60 to 80 percent or greater chance of temperatures reaching at least 70 degrees across inland valleys, Connecticut, and areas near the Interstate 95 corridor. Much of southern New England outside the higher elevations, Cape Cod, and the Islands has a good chance of reaching 70 degrees Friday.

Weekend Outlook and Beyond

Another weak disturbance, or shortwave, along with a cold front, will move through Friday night. This system is expected to contain limited moisture, so significant rainfall is not anticipated. Temperatures will settle back into the lower 60s for the weekend, which is typical for late October.

Looking beyond the first half of the weekend, forecast models increasingly point toward a more unsettled weather pattern developing late in the weekend and continuing into next week. This could bring periodic chances for showers. However, confidence remains lower regarding the exact timing and details of these potential systems.

Countdown to Winter

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Winter Begins on: December 21, 2026 at 4:50 PM EST

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Five Day Daily Temperature Run - Peterborough, NH
Updated Every Morning

Normal Daily Averages
High Temperature: 54 Degrees - Low Temperature: 32 Degrees

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