Hourly Weather Forecast - South Dennis, MA

12 PM
20°F
0%
6mph
NW
Mostly Sunny
Humidity
77%
Feels like
13°F
Dew Point
14°F
1 PM
21°F
0%
5mph
WNW
Mostly Sunny
Humidity
72%
Feels like
14°F
Dew Point
14°F
2 PM
22°F
0%
5mph
WNW
Sunny
Humidity
72%
Feels like
15°F
Dew Point
14°F
3 PM
22°F
0%
4mph
WNW
Sunny
Humidity
72%
Feels like
16°F
Dew Point
14°F
4 PM
22°F
0%
4mph
WNW
Sunny
Humidity
74%
Feels like
16°F
Dew Point
15°F
4:10 PM
5 PM
21°F
0%
4mph
WNW
Mostly Clear
Humidity
73%
Feels like
16°F
Dew Point
14°F
6 PM
21°F
0%
4mph
WNW
Mostly Clear
Humidity
71%
Feels like
16°F
Dew Point
13°F
7 PM
21°F
0%
4mph
W
Partly Cloudy
Humidity
70%
Feels like
16°F
Dew Point
13°F
8 PM
22°F
0%
3mph
W
Partly Cloudy
Humidity
70%
Feels like
17°F
Dew Point
13°F
9 PM
22°F
0%
3mph
W
Partly Cloudy
Humidity
71%
Feels like
18°F
Dew Point
14°F
10 PM
22°F
0%
3mph
W
Partly Cloudy
Humidity
71%
Feels like
22°F
Dew Point
14°F
11 PM
22°F
0%
3mph
W
Partly Cloudy
Humidity
73%
Feels like
22°F
Dew Point
15°F

Rainfall Totals Through Wednesday A.M.

Heavy Rain Returns to Deluge Pacific Northwest

Another atmospheric river will hit the Pacific Northwest with heavy rain and high winds.

Monday's Weather Outlook

Today'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 person standing in a snowy forest with their back to the camera. They are bundled up in a white hat and a brown jacket. (Image by StockSnap from Pixabay)

Common Cold Weather Illnesses

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

Cold Air Damming - Cause And Effects

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