Petersham, MA Weather Forecast
Local 7-day forecast
Slight Chance Showers And Thunderstorms
Track current conditions, temperature changes, wind, and the full daily outlook for Petersham, MA in one place.
A slight chance of showers and thunderstorms between 2pm and 3pm, then a chance of showers and thunderstorms between 3pm and 5pm, then a chance of showers and thunderstorms. Mostly sunny, with a high near 81. Southwest wind 6 to 9 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.
Local Weather Overview
This forecast page for Petersham, MA is designed for quick trip planning, giving you a clean read on daytime highs, overnight lows, and changing conditions across the upcoming forecast window. Latest sync: Apr 15, 2026 3:59 PM EDT.
The active forecast window currently covers Apr 15 to Apr 21, 2026 for Petersham, MA.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Apr 15 to Apr 21, 2026
- Latest sync
- Apr 15, 2026 3:59 PM EDT
- Forecast office
- BOX
- Source
- NOAA / NWS
Daily Outlook
This Week in Petersham
This Afternoon looks like the warmest upcoming period in Petersham at 81 degrees F.
Monday Night is the coolest period ahead with temperatures near 27 degrees F.
The strongest winds are forecast for Monday at about 12 to 15 mph NW.
Precipitation is mentioned in 11 upcoming forecast periods.
Forecast Details
- Last updated
- Apr 15, 2026 3:59 PM EDT
- Coverage
- 7 days
- Time zone
- America/New_York
- Forecast office
- BOX
- Radar station
- KBOX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
A chance of showers and thunderstorms before 1am, then patchy fog and showers and thunderstorms likely. Mostly cloudy, with a low around 61. South wind around 6 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch possible.
Patchy fog before 8am, then a slight chance of rain showers between 8am and 5pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 80. Southwest wind 3 to 10 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.
A chance of showers and thunderstorms. Mostly cloudy, with a low around 60. Southwest wind 3 to 9 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.
A chance of rain showers before 2pm, then a chance of showers and thunderstorms between 2pm and 4pm, then showers and thunderstorms likely. Partly sunny, with a high near 76. Northwest wind 3 to 8 mph. Chance of precipitation is 60%.
Rain showers likely before 10pm. Mostly cloudy, with a low around 50. Northeast wind around 8 mph. Chance of precipitation is 60%.
Mostly cloudy, with a high near 67. East wind 6 to 9 mph.
A chance of rain showers after 1am. Mostly cloudy, with a low around 47. Southeast wind 6 to 9 mph. Chance of precipitation is 30%.
Rain showers likely. Mostly cloudy, with a high near 57. Southwest wind 8 to 13 mph, with gusts as high as 24 mph. Chance of precipitation is 70%.
Rain showers likely before 1am, then a slight chance of rain and snow showers between 1am and 5am. Partly cloudy, with a low around 32. West wind 9 to 13 mph, with gusts as high as 24 mph. Chance of precipitation is 60%.
A slight chance of snow showers between 8am and 9am, then a slight chance of rain showers. Mostly sunny, with a high near 46. Northwest wind 12 to 15 mph, with gusts as high as 25 mph.
Mostly clear, with a low around 27. Northwest wind 6 to 13 mph, with gusts as high as 23 mph.
Sunny, with a high near 54. West wind 7 to 12 mph.
A slight chance of rain showers after 11pm. Partly cloudy, with a low around 39. Southwest wind around 10 mph.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
This Afternoon
Apr 15
|
Slight Chance Showers And Thunderstorms
|
81°F |
6 to 9 mph
SW
|
|
Tonight
Apr 15
|
Chance Showers And Thunderstorms
|
61°F |
6 mph
S
|
|
Thursday
Apr 16
|
Chance Showers And Thunderstorms
|
80°F |
3 to 10 mph
SW
|
|
Thursday Night
Apr 16
|
Chance Showers And Thunderstorms
|
60°F |
3 to 9 mph
SW
|
|
Friday
Apr 17
|
Chance Rain Showers then Chance Showers And Thunderstorms
|
76°F |
3 to 8 mph
NW
|
|
Friday Night
Apr 17
|
Rain Showers Likely then Mostly Cloudy
|
50°F |
8 mph
NE
|
|
Saturday
Apr 18
|
Mostly Cloudy
|
67°F |
6 to 9 mph
E
|
|
Saturday Night
Apr 18
|
Mostly Cloudy then Chance Rain Showers
|
47°F |
6 to 9 mph
SE
|
|
Sunday
Apr 19
|
Rain Showers Likely
|
57°F |
8 to 13 mph
SW
|
|
Sunday Night
Apr 19
|
Rain Showers Likely then Slight Chance Rain And Snow Showers
|
32°F |
9 to 13 mph
W
|
|
Monday
Apr 20
|
Slight Chance Snow Showers then Slight Chance Rain Showers
|
46°F |
12 to 15 mph
NW
|
|
Monday Night
Apr 20
|
Mostly Clear
|
27°F |
6 to 13 mph
NW
|
|
Tuesday
Apr 21
|
Sunny
|
54°F |
7 to 12 mph
W
|
|
Tuesday Night
Apr 21
|
Slight Chance Rain Showers
|
39°F |
10 mph
SW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Petersham.
