Hourly Weather Forecast - Petersham, MA

12 AM
13°F
0%
5mph
SSW
Clear
Humidity
74%
Feels like
5°F
Dew Point
7°F
1 AM
13°F
0%
5mph
SSW
Clear
Humidity
76%
Feels like
5°F
Dew Point
7°F
2 AM
13°F
0%
6mph
SSW
Clear
Humidity
78%
Feels like
4°F
Dew Point
8°F
3 AM
13°F
0%
5mph
SSW
Clear
Humidity
81%
Feels like
4°F
Dew Point
8°F
4 AM
13°F
0%
5mph
SSW
Clear
Humidity
83%
Feels like
5°F
Dew Point
9°F
5 AM
13°F
0%
6mph
SSW
Mostly Clear
Humidity
85%
Feels like
4°F
Dew Point
10°F
6 AM
13°F
0%
6mph
SSW
Mostly Cloudy
Humidity
86%
Feels like
4°F
Dew Point
10°F
6:21 AM
7 AM
15°F
0%
6mph
SSW
Cloudy
Humidity
85%
Feels like
6°F
Dew Point
11°F
8 AM
18°F
10%
6mph
SSW
Cloudy
Humidity
82%
Feels like
10°F
Dew Point
14°F
9 AM
23°F
10%
7mph
SSW
Cloudy
Humidity
76%
Feels like
14°F
Dew Point
17°F
10 AM
27°F
30%
8mph
SSW
30% Chance Freezing Rain
Humidity
72%
Feels like
19°F
Dew Point
19°F
11 AM
29°F
50%
8mph
SSW
50% Chance Freezing Rain
Humidity
69%
Feels like
22°F
Dew Point
21°F
12 PM
32°F
70%
9mph
SSW
70% Chance Freezing Rain
Humidity
68%
Feels like
24°F
Dew Point
22°F
1 PM
33°F
80%
9mph
SSW
80% Chance of Light Rain
Humidity
69%
Feels like
25°F
Dew Point
24°F
2 PM
33°F
90%
9mph
SSW
Frozen Mix
Humidity
74%
Feels like
26°F
Dew Point
26°F
3 PM
33°F
100%
7mph
SSW
Frozen Mix
Humidity
81%
Feels like
27°F
Dew Point
28°F
4 PM
33°F
90%
6mph
SSW
Frozen Mix
Humidity
87%
Feels like
27°F
Dew Point
29°F
5 PM
33°F
80%
5mph
S
80% Chance Frozen Mix
Humidity
91%
Feels like
28°F
Dew Point
30°F
5:40 PM
6 PM
33°F
80%
4mph
S
80% Chance Frozen Mix
Humidity
93%
Feels like
28°F
Dew Point
31°F
7 PM
33°F
80%
4mph
SSE
80% Chance Frozen Mix
Humidity
95%
Feels like
29°F
Dew Point
31°F
8 PM
33°F
80%
3mph
SSE
80% Chance Frozen Mix
Humidity
96%
Feels like
30°F
Dew Point
32°F
9 PM
32°F
80%
3mph
SSE
80% Chance of Light Rain
Humidity
97%
Feels like
30°F
Dew Point
32°F
10 PM
32°F
80%
3mph
S
80% Chance of Light Rain
Humidity
97%
Feels like
32°F
Dew Point
32°F
11 PM
33°F
90%
3mph
SSW
Rain
Humidity
98%
Feels like
33°F
Dew Point
32°F

Snow and Ice Accumulations through Tuesday AM

Wintry Disturbance Bisects U.S. Mid-Latitudes

A wintry disturbance will bring icing and light snow from the central Plains today through the Northeast on Tuesday.

Today's Weather Outlook

Today's Weather Outlook

Weekly Drought Map for February 26, 2026

Widespread Drought Degradation For South, Southeast; Mixed Results Elsewhere

Debris flies through the air as howling winds accompanied by a line of storms approach the old Tarrant County Courthouse in downtown Fort Worth, Texas, on March 2, 2023. (Tom Fox/The Dallas Morning News via AP)

Lightning Season Rapidly Approaching: Best Safety Practices

Rocky Mountain National Park at day in December. (NPS Natural Resources/Wikimedia Commons)

Snowmelt and Flooding

U.S. Route 52 near St. Donatus between Bellevue and Dubuque, Iowa. (Tony Webster from Portland, Oregon)

Winter Weather Driving Safety Tips

loading ad...

Today's National Outlook

Hurricane Tracker

Allergy Forecast

Traffic Cameras

Weather Cameras

Traffic Cameras

Weather Cameras

Outdoor Sports Guide