Hourly Weather Forecast - South Yarmouth, MA

8 AM
43°F
0%
4mph
SW
Mostly Cloudy
Humidity
77%
Feels like
41°F
Dew Point
36°F
9 AM
45°F
0%
4mph
SW
Mostly Cloudy
Humidity
75%
Feels like
43°F
Dew Point
37°F
10 AM
46°F
0%
4mph
SW
Partly Cloudy
Humidity
74%
Feels like
44°F
Dew Point
38°F
11 AM
47°F
0%
5mph
SSW
Mostly Cloudy
Humidity
73%
Feels like
45°F
Dew Point
39°F
12 PM
47°F
0%
5mph
SSW
Partly Cloudy
Humidity
74%
Feels like
45°F
Dew Point
40°F
1 PM
48°F
0%
6mph
SSW
Partly Cloudy
Humidity
74%
Feels like
45°F
Dew Point
40°F
2 PM
47°F
0%
6mph
SSW
Mostly Cloudy
Humidity
77%
Feels like
45°F
Dew Point
40°F
3 PM
47°F
10%
6mph
SSW
Mostly Cloudy
Humidity
80%
Feels like
44°F
Dew Point
41°F
4 PM
46°F
10%
6mph
SSW
Mostly Cloudy
Humidity
82%
Feels like
43°F
Dew Point
41°F
4:10 PM
5 PM
46°F
20%
7mph
SSW
Cloudy
Humidity
83%
Feels like
42°F
Dew Point
41°F
6 PM
46°F
20%
7mph
SSW
Cloudy
Humidity
80%
Feels like
43°F
Dew Point
40°F
7 PM
47°F
10%
7mph
SSW
Mostly Cloudy
Humidity
79%
Feels like
43°F
Dew Point
41°F
8 PM
47°F
10%
7mph
SSW
Cloudy
Humidity
77%
Feels like
44°F
Dew Point
40°F
9 PM
47°F
10%
6mph
SSW
Cloudy
Humidity
78%
Feels like
44°F
Dew Point
40°F
10 PM
46°F
10%
6mph
SW
Cloudy
Humidity
81%
Feels like
43°F
Dew Point
40°F
11 PM
45°F
20%
5mph
SW
Cloudy
Humidity
84%
Feels like
42°F
Dew Point
40°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

Today's Weather Outlook

Today'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

Traffic Cameras

Weather Cameras

Traffic Cameras

Weather Cameras

Outdoor Sports Guide