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Mostly Sunny Today
Slight Chance of an Afternoon Thunderstorm
Patchy Fog Tonight - Mostly Clear
Last Complete Site Update: 7/31 - 6:59 AM
Weather for New England and the Northeast
Updated Twice per day
Delivering Weather Forecasts for New England for 27+ years.
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"July, with its days of blue skies and time that seemingly stands still,
holds a special place in my heart." - Daisaku Ikeda
Today’s Weather at a Glance
Updated Every Morning and as Needed Through the Day
(Averages Across Southern NH)
80Degrees
High Temperature
20%
Probability of Precipitation - Daytime
58Degrees
Low Temperature
0%
Probability of Precipitation - Nighttime
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Today in Peterborough, NH at a Glance
Today in Nashua, NH at a Glance
Your Daily Forecast - Three Days at a Time
Monday/Monday Night - August 3
Nashua - East
Peterborough - Central/West
Tuesday/Tuesday Night - August 4
Nashua - East
Peterborough - Central/West
Wednesday/Wednesday Night - August 5
Nashua - East
Peterborough - Central/West
Thursday/Thursday Night - August 6
Nashua - East
Peterborough - Central/West
Friday/Friday Night - July 31
Nashua - East
A 20 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 82. Calm wind.
Patchy fog after 10pm. Otherwise, mostly clear, with a low around 58. Calm wind.
Peterborough - Central/West
A slight chance of showers and thunderstorms before 3pm, then a slight chance of showers and thunderstorms after 4pm. Partly sunny, with a high near 79. Calm wind becoming northwest around 5 mph. Chance of precipitation is 20%.
Mostly clear, with a low around 57. Calm wind.
Saturday/Saturday Night - August 1
Nashua - East
Patchy fog before 9am. Otherwise, mostly sunny, with a high near 86. Calm wind becoming south around 5 mph.
Patchy fog after midnight. Otherwise, mostly cloudy, with a low around 63. South wind around 5 mph becoming calm.
Peterborough - Central/West
Patchy fog before 9am. Otherwise, mostly sunny, with a high near 84. Calm wind becoming southwest around 5 mph.
Patchy fog after 10pm. Otherwise, mostly cloudy, with a low around 62. Calm wind.
Sunday/Sunday Night - August 2
Nashua - East
Patchy fog before 9am. Otherwise, partly sunny, with a high near 85. South wind 5 to 10 mph.
A 40 percent chance of showers after 2am. Mostly cloudy, with a low around 63.
Peterborough - Central/West
Patchy fog before 9am. Otherwise, mostly cloudy, with a high near 81. South wind around 5 mph.
A 40 percent chance of showers after 2am. Mostly cloudy, with a low around 61.
Current Weather Readings in Peterborough, NH
Time of the readings below: 31 Jul 2026 3:49 PM
(FYI: The number in parentheses is the change in the last hour)
(Note: My weather Instruments are Offline from Midnight Wednesday to 7AM Thursday for system Back ups.)
Current Temperature:
79.1°F (1.0)
High Temperature:
79.1 at 3:48 PM
Low Temperature:
58.9 at 6:19 AM
Precipitation Today:
0.00 inches
Current Dewpoint:
64.9°F (-0.9)
Highest Heat Index Reading:
79.1 at 3:48 PM
Current Windspeed:
0 MPH (0)
Barometric Trend:
Steady
Hours of Daylight Today:
14:30
Link to my Active Weather Instruments
Information for New England
Seven Day Temperature Outlook - Manchester NH & Southern New England
Current Northeast Radar
Expected Temperature Range
Health - The Five Day Allergy & Mosquito Outlook for Southern NH
Rich's Weather Discussion
New Hampshire/North Briefing
Massachusetts/South Briefing
At this moment: 7/31 - 6:59 AM
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:
None
I have recorded over SEVEN INCHES of rainfall for the month of July here in Peterborough, NH. How many mosquitoes is that going to produce? Keep an eye on the Mosquito charts above in the Health Tab.
On this final day of July you can expect more humidity and a slight chance of afternoon thunderstorms. Most will not see one. The weekend will feature lots of clouds, fog, more humidity, and even wildfire smoke. However, it will be dry until later Sunday night into Monday.
A generally quiet stretch of weather is expected across western Maine and New Hampshire through much of the weekend, with only a small chance of an isolated afternoon shower or thunderstorm today and Saturday. The next better opportunity for widespread rainfall arrives late Sunday into Monday as a slow moving cold front crosses the region. While confidence is growing that rain will occur, rainfall amounts remain uncertain. Temperatures will stay close to normal through the middle of next week, with warmer and more humid nights possible Sunday and Monday.
Note: In the Every Thursday Weekend Outlook E-mail I sent last night, I inadvertently left in the subject line from the previous week. That one called for rain mid weekend, but that is incorrect. There will be NO RAIN in New England until Sunday night. I apologize for this oversight.
Check out the enhanced "Todays Weather at a Glance" section above.
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What information can you find on my site, and where is it?
The History Section has a lot of history to share, and I will be sharing video on this page from time to time. Updated every day with new weather history.
Find beach and hiking, and Ski information as well as travel info for the USA in the Travel and Leisure Section.
Find all Tropical Tracking/Hurricane information on the Tropics Page.
Find the current Drought Maps here. Now showing a map for each New England State.
Looking for Radar? Try the Radar Page.
Looking for Weather News from Across the globe, plus more local weather info? Look here.
Note: When you move your cursor over an image, the image fades. Click on the image and that opens a lightbox view that expands the image and allows you to click through all of the images in a section.
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On this day in history:
On this day in 1792, workers broke ground in Philadelphia on the first federal building erected under the U.S. Constitution: the U.S. Mint. The three-story brick building that followed was the tallest in the city, with the words "Ye Olde Mint" painted across its face.
Latest site updates and additions:
Find the August Almanac Here
Hurricane Season began on June 1st - Details and forecasts can be found here.
07/17 - Find the Mosquito Outlook in the Heath Section. Added Mosquito forecast for Nashua
05/02 - Find the Summer 2026 Outlook for the USA here.
05/01 - The Hampton Beach Report returns! Updated daily.
In the Health Section above, starting April 7, you will find the Allergy Forecasts for Southern NH.
You can find my weather Reading via Weather Underground here: Peterborough, NH Readings
Catch Weather News Headlines and links here.
I have updated Rain/Snowfall totals here.
Drought information updates every Other Thursday evening. Last update: 07/30 - Next Update: 08/16 (or thereabouts)
Weather Summaries and Full Area Forecast Discussions - North (Edited)
Summary - Northern New England - New Hampshire and Maine
Summary:
A generally quiet stretch of weather is expected across western Maine and New Hampshire through much of the weekend, with only a small chance of an isolated afternoon shower or thunderstorm today and Saturday. The next better opportunity for widespread rainfall arrives late Sunday into Monday as a slow moving cold front crosses the region. While confidence is growing that rain will occur, rainfall amounts remain uncertain. Temperatures will stay close to normal through the middle of next week, with warmer and more humid nights possible Sunday and Monday.
Key Messages:
- Largely dry forecast through the extended period. The one chance for rain will come with a slow moving frontal boundary crossing the region Sunday into Monday.
What has changed since the last Forecast Update?
No significant changes since the previous forecast cycle.
What this means for you:
Most outdoor plans through Saturday should be in good shape, although a brief afternoon shower or thunderstorm cannot be ruled out in a few locations. If you have plans late Sunday into Monday, be prepared for periods of rain as a frontal boundary moves through. At this point, the risk for severe weather appears low, and temperatures will remain comfortable overall, aside from a couple of more humid nights.
Click the Open/Close Button to Display the Full Edited Area Forecast Discussion
**Area Forecast Discussion, National Weather Service Gray ME**
**645 AM EDT Friday, July 31, 2026**
**What Has Changed**
The Aviation section has been updated for the 8:00 AM EDT Terminal Aerodrome Forecasts (TAFs), which are routine aviation forecasts for airports.
**Key Messages**
1. Largely dry forecast through the extended period. The one chance for rain will come with a slow moving frontal boundary crossing the region Sunday into Monday.
**Discussion**
Low pressure continues to move farther away from New England, but a weak inverted trough, an elongated area of lower air pressure extending opposite the direction of a typical trough, is keeping an area of rain and showers over parts of the western Maine mountains into the lower Androscoggin Valley. This should continue through the early morning before the weather system shifts farther east.
After that, conditions should remain mostly dry through the middle of the weekend. The only concern will be a slight chance of isolated to widely scattered showers or thunderstorms during the afternoon hours today and Saturday.
The next better chance for rain arrives late Sunday into Monday as a slow moving frontal boundary crosses the region. Current ensemble guidance, which combines many forecast model simulations to measure confidence, shows many solutions producing meaningful rainfall. However, similar situations this warm season have seen expected rainfall decrease at the last minute. Forecasters still believe precipitation is likely, but are keeping expected rainfall amounts on the conservative side.
The timing of the system also suggests the atmosphere will likely avoid the period of greatest daytime heating, when instability is normally strongest. As a result, the threat for severe weather remains relatively low.
Temperatures through the middle of next week should remain close to seasonal averages. Sunday night, and possibly Monday night, could be warmer and more humid than recent nights.
Weather Summaries and Full Area Forecast Discussions - South (Edited)
Summary - Southern New England - Massachusetts/Northern CT/Rhode Island
Summary:
A much more comfortable weather pattern settles into southern New England today with warmer temperatures, lower humidity, and a mix of sunshine and clouds. While a few isolated afternoon showers may develop, most communities will stay dry. The weekend starts warm and mainly dry before a cold front brings a better chance of widespread rain Sunday night into Monday. Some showers could linger into Tuesday before drier and warmer weather returns during the middle of next week.
Key Messages:
- Drier and warmer Friday with only some scattered afternoon showers and a mix of clouds and sun.
- A cold front brings the return of rain Sunday night and Monday, perhaps lingering into Tuesday.
- Drying and warming trend toward Wednesday and Thursday.
What has changed since the last Forecast Update?
No significant changes.
What this means for you
Friday is shaping up to be a pleasant summer day with comfortable temperatures and only a small chance of an afternoon shower. Saturday looks warmer and remains mostly dry, making it the better day for outdoor plans. Keep an eye on the forecast for Sunday night through Monday, when periods of rain could affect travel and outdoor activities. While widespread flooding is not expected at this time, areas that have already received heavy rainfall this week should continue to monitor forecast updates.
Click the Open/Close Button to Display the Full Edited Area Forecast Discussion
**Area Forecast Discussion, National Weather Service Boston/Norton MA**
**226 AM EDT Friday Jul 31 2026**
**What Has Changed**
No significant changes.
**Key Messages**
* Drier and warmer Friday with only some scattered afternoon showers and a mix of clouds and sun.
* A cold front brings the return of rain Sunday night and Monday, perhaps lingering into Tuesday.
* Drying and warming trend toward Wednesday and Thursday.
**Discussion**
**Key Message 1, Drier and warmer Friday with only some scattered afternoon showers and a mix of clouds and sun**
A weak ridge of high pressure is building over the region today, both in the upper atmosphere and at the surface. In simple terms, this generally supports improving weather conditions.
However, the departing upper level trough, an elongated area of lower pressure aloft, is moving out slowly. Combined with colder air several miles above the ground, with temperatures around 10 to 12 degrees below zero Fahrenheit at the 500 millibar level, enough daytime heating may still allow puffy fair weather clouds to develop during the afternoon.
A few isolated showers may also form, but most locations should remain dry.
Northwest winds are bringing in a drier air mass, while temperatures continue to recover. Afternoon highs will reach the upper 70s to lower 80s. Along the immediate coastline, light winds will allow local sea breezes to develop, keeping temperatures mainly in the middle 70s.
**Key Message 2, A cold front brings the return of rain Sunday night and Monday, perhaps lingering into Tuesday**
Saturday will be warmer, with highs in the middle to upper 80s under a brief period of high pressure.
By late in the weekend and into early next week, the weather pattern becomes more active again. Forecast models are showing less agreement on the exact timing, so confidence in the details remains somewhat low.
Even so, there is good agreement that an upper level trough will move into the eastern United States, drawing a deep plume of subtropical moisture northward into New England around Monday.
One forecast model, the Global Forecast System, or GFS, suggests a stronger and slower moving storm system, which would produce higher rainfall totals across southern New England.
The approaching cold front will provide the focus for the steadiest rainfall on Monday. Atmospheric moisture levels are expected to exceed 2 inches, indicating an environment capable of producing periods of heavy rain. Some communities have already received more than 5 inches of rain in localized areas this week. While flooding is not expected to become widespread at this time, it is something that will continue to be monitored. There is also the possibility that showers could continue into Tuesday before gradually ending.
**Key Message 3, Drying and warming trend toward Wednesday and Thursday**
High pressure over the western Atlantic is expected to expand westward while another ridge develops in the middle levels of the atmosphere. This combination should bring a return to drier weather along with steadily warming temperatures for Wednesday and Thursday.
This stretch of quieter weather may be relatively brief before another unsettled pattern develops later on.
Countdown to Autumn
Autumn Begins on: September 23, 2026 at 2:05 AM EDT
92Days18Hours28Mins13Secs
Five Day Daily Temperature Run - Peterborough, NH
Updated Every Morning
Normal Daily Averages
High Temperature: 79 Degrees - Low Temperature: 56 Degrees
(Tip: Place your cursor over the bar below to see the number)
Weather News/Headlines of Interest
'The shaking was terrifying': stories of survival and loss emerge after Japan earthquake
Severe storms to march from Plains to Appalachians into Sunday
Cooler conditions on way for parts of UK - but still no rain for drought-hit areas
Northwest wildfire season surpasses 1 million acres burned as major fires continue to spread
Humidity to fuel Florida downpours through the weekend, raising flood and travel threats
Northwest wildfire season surpasses 1 million acres burned as major fires continue to spread
Hikers Are Reminded to Be Aware, Prepared, and Responsible When Heading out in New Hampshire
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