Hourly Weather Forecast - South Dennis, MA

3 AM
18°F
0%
7mph
NW
Partly Cloudy
Humidity
89%
Feels like
8°F
Dew Point
15°F
4 AM
17°F
0%
7mph
NW
Mostly Cloudy
Humidity
88%
Feels like
7°F
Dew Point
14°F
5 AM
17°F
0%
7mph
NW
Mostly Cloudy
Humidity
87%
Feels like
7°F
Dew Point
13°F
6 AM
17°F
0%
7mph
NW
Mostly Cloudy
Humidity
86%
Feels like
8°F
Dew Point
13°F
7 AM
18°F
0%
7mph
NW
Mostly Cloudy
Humidity
83%
Feels like
9°F
Dew Point
14°F
7:00 AM
8 AM
19°F
0%
6mph
NW
Mostly Cloudy
Humidity
83%
Feels like
10°F
Dew Point
15°F
9 AM
20°F
0%
6mph
NW
Mostly Cloudy
Humidity
81%
Feels like
12°F
Dew Point
15°F
10 AM
21°F
0%
6mph
NW
Partly Cloudy
Humidity
78%
Feels like
14°F
Dew Point
16°F
11 AM
22°F
0%
6mph
NW
Partly Cloudy
Humidity
74%
Feels like
15°F
Dew Point
16°F
12 PM
23°F
0%
5mph
NW
Mostly Sunny
Humidity
70%
Feels like
17°F
Dew Point
15°F
1 PM
24°F
0%
5mph
WNW
Sunny
Humidity
66%
Feels like
17°F
Dew Point
15°F
2 PM
24°F
0%
5mph
WNW
Sunny
Humidity
65%
Feels like
18°F
Dew Point
15°F
3 PM
25°F
0%
5mph
WNW
Sunny
Humidity
65%
Feels like
19°F
Dew Point
15°F
4 PM
24°F
0%
4mph
WNW
Mostly Sunny
Humidity
66%
Feels like
19°F
Dew Point
15°F
4:10 PM
5 PM
23°F
0%
4mph
WNW
Mostly Clear
Humidity
67%
Feels like
18°F
Dew Point
14°F
6 PM
23°F
0%
4mph
WNW
Mostly Clear
Humidity
66%
Feels like
18°F
Dew Point
13°F
7 PM
23°F
0%
3mph
W
Clear
Humidity
64%
Feels like
19°F
Dew Point
13°F
8 PM
23°F
0%
3mph
W
Clear
Humidity
64%
Feels like
19°F
Dew Point
13°F
9 PM
24°F
10%
3mph
W
Clear
Humidity
66%
Feels like
24°F
Dew Point
14°F
10 PM
24°F
10%
3mph
W
Clear
Humidity
68%
Feels like
24°F
Dew Point
14°F
11 PM
23°F
10%
3mph
W
Clear
Humidity
70%
Feels like
23°F
Dew Point
15°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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