Hourly Weather Forecast - Petersham, MA

12 AM
25°F
40%
6mph
W
40% Chance Freezing Rain
Humidity
82%
Feels like
18°F
Dew Point
21°F
1 AM
25°F
40%
6mph
W
40% Chance Frozen Mix
Humidity
82%
Feels like
18°F
Dew Point
20°F
2 AM
25°F
40%
6mph
W
40% Chance Frozen Mix
Humidity
81%
Feels like
18°F
Dew Point
20°F
3 AM
24°F
40%
6mph
W
40% Chance Frozen Mix
Humidity
81%
Feels like
17°F
Dew Point
19°F

Snowfall Forecast Through Tonight

Snow To Impact the Rockies This Weekend

A winter storm continues across the Cascades and northern Rockies today through tonight causing periods of moderate to heavy snow.

Weekend Weather Outlook

Weekend Weather Outlook

Weekly Drought Map for December 4, 2025

Active Week of Weather Leads to Mixed Drought Results

A strong cold-air-damming event from March 20, 2018.

Cold Air Damming - Cause And Effects

People skating on a frozen pond on a clear day. (Image by Q K from Pixabay)

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Image courtesy of PeakPX.

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