Hourly Weather Forecast - South Yarmouth, MA

12 AM
37°F
10%
6mph
SSW
Cloudy
Humidity
72%
Feels like
32°F
Dew Point
29°F
1 AM
38°F
10%
6mph
SSW
Cloudy
Humidity
74%
Feels like
33°F
Dew Point
31°F
2 AM
40°F
20%
6mph
SSW
Cloudy
Humidity
75%
Feels like
35°F
Dew Point
33°F
3 AM
41°F
10%
6mph
SW
Cloudy
Humidity
75%
Feels like
37°F
Dew Point
34°F
4 AM
42°F
10%
5mph
SW
Cloudy
Humidity
76%
Feels like
38°F
Dew Point
35°F
5 AM
42°F
10%
5mph
SW
Cloudy
Humidity
73%
Feels like
39°F
Dew Point
34°F
6 AM
41°F
10%
4mph
SW
Cloudy
Humidity
77%
Feels like
38°F
Dew Point
34°F
6:56 AM
7 AM
41°F
0%
4mph
SW
Mostly Cloudy
Humidity
78%
Feels like
39°F
Dew Point
35°F
8 AM
42°F
0%
4mph
SW
Partly Cloudy
Humidity
80%
Feels like
40°F
Dew Point
37°F
9 AM
44°F
10%
4mph
SW
Partly Cloudy
Humidity
80%
Feels like
42°F
Dew Point
38°F
10 AM
46°F
10%
4mph
SSW
Partly Cloudy
Humidity
76%
Feels like
44°F
Dew Point
38°F
11 AM
47°F
0%
5mph
SSW
Partly Cloudy
Humidity
76%
Feels like
44°F
Dew Point
39°F
12 PM
47°F
0%
6mph
SSW
Mostly Cloudy
Humidity
76%
Feels like
45°F
Dew Point
40°F
1 PM
48°F
10%
6mph
SSW
Cloudy
Humidity
76%
Feels like
45°F
Dew Point
41°F
2 PM
48°F
10%
6mph
SSW
Cloudy
Humidity
76%
Feels like
45°F
Dew Point
41°F
3 PM
47°F
10%
7mph
SSW
Cloudy
Humidity
78%
Feels like
44°F
Dew Point
41°F
4 PM
46°F
10%
7mph
SSW
Cloudy
Humidity
81%
Feels like
43°F
Dew Point
41°F
4:10 PM
5 PM
46°F
10%
7mph
SSW
Cloudy
Humidity
81%
Feels like
42°F
Dew Point
40°F
6 PM
46°F
20%
7mph
SSW
Cloudy
Humidity
81%
Feels like
42°F
Dew Point
40°F
7 PM
46°F
20%
6mph
SSW
Cloudy
Humidity
81%
Feels like
42°F
Dew Point
40°F
8 PM
45°F
30%
6mph
SW
30% Chance of Light Rain
Humidity
82%
Feels like
42°F
Dew Point
40°F
9 PM
44°F
30%
5mph
SW
30% Chance of Light Rain
Humidity
85%
Feels like
41°F
Dew Point
39°F
10 PM
42°F
30%
5mph
SW
30% Chance of Light Rain
Humidity
87%
Feels like
39°F
Dew Point
39°F
11 PM
42°F
30%
5mph
WSW
30% Chance of Light Rain
Humidity
89%
Feels like
39°F
Dew Point
38°F

Snow and ice forecast through Thursday A.M.

Snow Barrels Across the Northern U.S.

Low pressure will produce a swath of snow from Minnesota to Maine into Thursday.

Rainfall Forecast for Northwest through Thursday

Heavy Rain, Flooding Soaks The Northwest

Wednesday's Weather Outlook

Wednesday'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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Weather Cameras

Traffic Cameras

Weather Cameras

Outdoor Sports Guide