Hourly Weather Forecast - South Chatham, MA

12 AM
20°F
10%
7mph
W
Mostly Cloudy
Humidity
78%
Feels like
12°F
Dew Point
15°F
1 AM
20°F
30%
6mph
W
30% Chance of Flurries
Humidity
79%
Feels like
12°F
Dew Point
15°F
2 AM
21°F
30%
7mph
W
30% Chance of Snow
Humidity
78%
Feels like
12°F
Dew Point
15°F
3 AM
22°F
30%
7mph
W
30% Chance of Snow
Humidity
75%
Feels like
13°F
Dew Point
15°F
4 AM
23°F
30%
7mph
W
30% Chance of Snow
Humidity
72%
Feels like
14°F
Dew Point
15°F
5 AM
23°F
30%
7mph
W
30% Chance Snow Showers
Humidity
71%
Feels like
15°F
Dew Point
15°F
6 AM
23°F
20%
7mph
W
Partly Cloudy
Humidity
71%
Feels like
15°F
Dew Point
15°F
7 AM
25°F
20%
7mph
W
Clear
Humidity
67%
Feels like
17°F
Dew Point
15°F
7:00 AM
8 AM
27°F
10%
7mph
W
Sunny
Humidity
62%
Feels like
20°F
Dew Point
16°F
9 AM
30°F
10%
7mph
W
Sunny
Humidity
57%
Feels like
23°F
Dew Point
16°F
10 AM
31°F
10%
7mph
WNW
Sunny
Humidity
55%
Feels like
24°F
Dew Point
17°F
11 AM
32°F
10%
7mph
WNW
Sunny
Humidity
53%
Feels like
26°F
Dew Point
17°F
12 PM
33°F
10%
7mph
WNW
Mostly Sunny
Humidity
52%
Feels like
26°F
Dew Point
17°F
1 PM
33°F
10%
7mph
WNW
Partly Cloudy
Humidity
52%
Feels like
27°F
Dew Point
18°F

Snow and ice forecast through Friday A.M.

Multiple Snow Threats Across the Northern U.S.

Multiple systems will bring snow across the Northern U.S. through the end of the week.

Rainfall Forecast for Northwest through Friday A.M.

Unrelenting Rains Soak the Northwest

Thursday's Weather Outlook

Thursday's 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)

Safety Tips For Icy Surfaces

Today's National Outlook

Hurricane Tracker

Allergy Forecast

Snow & Ski Forecast

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