Petersham, MA Weather Forecast

Local 7-day forecast

70°
F

Sunny

Track current conditions, temperature changes, wind, and the full daily outlook for Petersham, MA in one place.

Tuesday, September 15, 2026
Wind: 3 mph E
Today

Sunny, with a high near 70. East wind around 3 mph.

Local 7-day forecast

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: Sep 15, 2026 8:42 AM EDT.

The active forecast window currently covers Sep 15 to Sep 21, 2026 for Petersham, MA.

Page Snapshot

Page focus
city weather
Forecast window
Sep 15 to Sep 21, 2026
Latest sync
Sep 15, 2026 8:42 AM EDT
Forecast office
BOX
Source
NOAA / NWS
Next High
70°F
Today
Next Low
51°F
Tonight
Rain Outlook
7
Periods mentioning precipitation
Windiest
12 mph
Sunday

Daily Outlook

Today
Sep 15
Sunny
70 °F
/ 51°F
Wind 3 mph
Wed
Sep 16
Mostly Sunny
76 °F
/ 59°F
Wind 2 to 7 mph
Thu
Sep 17
Partly Sunny
79 °F
/ 62°F
Wind 0 to 7 mph
Fri
Sep 18
Chance Showers And Thunderstorms then Mostly Sunny
77 °F
/ 49°F
Wind 6 to 9 mph
Sat
Sep 19
Mostly Sunny
69 °F
/ 53°F
Wind 5 mph
Sun
Sep 20
Showers And Thunderstorms Likely
72 °F
/ 55°F
Wind 12 mph
Mon
Sep 21
Chance Rain Showers
69 °F
/ 50°F
Wind 8 mph

This Week in Petersham

Thursday looks like the warmest upcoming period in Petersham at 79 degrees F.

Friday Night is the coolest period ahead with temperatures near 49 degrees F.

The strongest winds are forecast for Sunday at about 12 mph SW.

Precipitation is mentioned in 7 upcoming forecast periods.

Forecast Details

Last updated
Sep 15, 2026 8:42 AM 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 source

Extended Forecast

Tonight
Sep 15
51°F
Partly Cloudy
5 mph S

Partly cloudy, with a low around 51. South wind around 5 mph.

Wednesday
Sep 16
76°F
Mostly Sunny
2 to 7 mph SW

Mostly sunny, with a high near 76. Southwest wind 2 to 7 mph.

Wednesday Night
Sep 16
59°F
Partly Cloudy
0 to 6 mph S

Partly cloudy, with a low around 59. South wind 0 to 6 mph.

Thursday
Sep 17
79°F
Partly Sunny
0 to 7 mph S

Partly sunny, with a high near 79. South wind 0 to 7 mph.

Thursday Night
Sep 17
62°F
Chance Showers And Thunderstorms
7 mph SW

A chance of rain showers between 8pm and 11pm, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 62. Southwest wind around 7 mph. Chance of precipitation is 40%.

Friday
Sep 18
77°F
Chance Showers And Thunderstorms then Mostly Sunny
6 to 9 mph NW

A chance of showers and thunderstorms before 8am. Mostly sunny, with a high near 77. Northwest wind 6 to 9 mph. Chance of precipitation is 40%.

Friday Night
Sep 18
49°F
Partly Cloudy
5 to 8 mph N

Partly cloudy, with a low around 49. North wind 5 to 8 mph.

Saturday
Sep 19
69°F
Mostly Sunny
5 mph E

Mostly sunny, with a high near 69. East wind around 5 mph.

Saturday Night
Sep 19
53°F
Mostly Cloudy then Chance Rain Showers
8 mph S

A chance of rain showers after midnight. Mostly cloudy, with a low around 53. South wind around 8 mph. Chance of precipitation is 40%.

Sunday
Sep 20
72°F
Showers And Thunderstorms Likely
12 mph SW

A chance of rain showers before 2pm, then showers and thunderstorms likely. Mostly cloudy, with a high near 72. Southwest wind around 12 mph, with gusts as high as 25 mph. Chance of precipitation is 60%.

Sunday Night
Sep 20
55°F
Showers And Thunderstorms Likely
10 mph NW

Showers and thunderstorms likely. Mostly cloudy, with a low around 55. Northwest wind around 10 mph, with gusts as high as 21 mph. Chance of precipitation is 60%.

Monday
Sep 21
69°F
Chance Rain Showers
8 mph NE

A chance of rain showers. Mostly cloudy, with a high near 69. Northeast wind around 8 mph. Chance of precipitation is 50%.

Monday Night
Sep 21
50°F
Chance Rain Showers
9 mph NE

A chance of rain showers. Mostly cloudy, with a low around 50. Northeast wind around 9 mph.

Detailed Forecast

Period Conditions Temp Wind
Today
Sep 15
Sunny
70°F
3 mph
E
Tonight
Sep 15
Partly Cloudy
51°F
5 mph
S
Wednesday
Sep 16
Mostly Sunny
76°F
2 to 7 mph
SW
Wednesday Night
Sep 16
Partly Cloudy
59°F
0 to 6 mph
S
Thursday
Sep 17
Partly Sunny
79°F
0 to 7 mph
S
Thursday Night
Sep 17
Chance Showers And Thunderstorms
62°F
7 mph
SW
Friday
Sep 18
Chance Showers And Thunderstorms then Mostly Sunny
77°F
6 to 9 mph
NW
Friday Night
Sep 18
Partly Cloudy
49°F
5 to 8 mph
N
Saturday
Sep 19
Mostly Sunny
69°F
5 mph
E
Saturday Night
Sep 19
Mostly Cloudy then Chance Rain Showers
53°F
8 mph
S
Sunday
Sep 20
Showers And Thunderstorms Likely
72°F
12 mph
SW
Sunday Night
Sep 20
Showers And Thunderstorms Likely
55°F
10 mph
NW
Monday
Sep 21
Chance Rain Showers
69°F
8 mph
NE
Monday Night
Sep 21
Chance Rain Showers
50°F
9 mph
NE
First Congregational Parish  Unitarian  Petersham  MA
First Congregational Parish Unitarian Petersham MA image
Weather data provided by the National Weather Service (NOAA). Forecast pages update automatically as new periods are synced for each supported U.S. location.