Hourly Weather Forecast - South Yarmouth, MA

12 AM
30°F
10%
6mph
WNW
Clear
Humidity
59%
Feels like
23°F
Dew Point
17°F
1 AM
28°F
10%
6mph
WNW
Clear
Humidity
58%
Feels like
22°F
Dew Point
15°F
2 AM
28°F
0%
6mph
WNW
Mostly Clear
Humidity
56%
Feels like
21°F
Dew Point
14°F
3 AM
27°F
0%
6mph
WNW
Mostly Clear
Humidity
54%
Feels like
20°F
Dew Point
13°F
4 AM
26°F
0%
6mph
WNW
Mostly Clear
Humidity
53%
Feels like
20°F
Dew Point
11°F
5 AM
26°F
0%
5mph
WNW
Mostly Clear
Humidity
52%
Feels like
20°F
Dew Point
11°F
6 AM
25°F
0%
5mph
WNW
Mostly Clear
Humidity
53%
Feels like
19°F
Dew Point
10°F
7 AM
24°F
0%
5mph
WNW
Mostly Clear
Humidity
53%
Feels like
18°F
Dew Point
10°F
7:03 AM
8 AM
24°F
0%
4mph
WNW
Mostly Sunny
Humidity
53%
Feels like
19°F
Dew Point
10°F
9 AM
26°F
0%
4mph
WNW
Sunny
Humidity
50%
Feels like
21°F
Dew Point
10°F
10 AM
28°F
0%
4mph
WNW
Sunny
Humidity
47%
Feels like
23°F
Dew Point
11°F
11 AM
29°F
0%
4mph
WNW
Sunny
Humidity
45%
Feels like
25°F
Dew Point
11°F
12 PM
30°F
0%
4mph
WNW
Sunny
Humidity
44%
Feels like
26°F
Dew Point
11°F
1 PM
31°F
0%
4mph
W
Sunny
Humidity
44%
Feels like
27°F
Dew Point
11°F
2 PM
31°F
0%
3mph
W
Sunny
Humidity
44%
Feels like
27°F
Dew Point
11°F

Wind chill temperatures Monday A.M.

Cold Weather Chills the Nation Down to the Gulf

Extreme cold paired with their wind chill values will shiver much of the nation.

Snowfall forecast through Monday evening.

Mid-Atlantic, Great Lakes Snow Piles Up

Monday's Weather Outlook

Monday's Weather Outlook

How to Measure Snow via NWS

How To Measure Snow

Weekly Drought Map for December 11, 2025

Hit-or-Miss Precipitation Leads to Mixed Drought Results

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

Cold Air Damming - Cause And Effects

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