Hourly Weather Forecast - South Boston, MA

9 AM
18°F
0%
7mph
W
Sunny
Humidity
41%
Feels like
9°F
Dew Point
-1°F
10 AM
21°F
0%
7mph
W
Sunny
Humidity
36%
Feels like
12°F
Dew Point
-2°F
11 AM
22°F
0%
7mph
W
Sunny
Humidity
33%
Feels like
14°F
Dew Point
-2°F
12 PM
24°F
0%
7mph
WSW
Sunny
Humidity
31%
Feels like
16°F
Dew Point
-2°F
1 PM
26°F
0%
8mph
WSW
Sunny
Humidity
30%
Feels like
17°F
Dew Point
-2°F
2 PM
26°F
0%
8mph
SW
Mostly Sunny
Humidity
29%
Feels like
18°F
Dew Point
-1°F
3 PM
27°F
0%
9mph
SSW
Mostly Cloudy
Humidity
30%
Feels like
18°F
Dew Point
0°F
4 PM
27°F
0%
9mph
SSW
Mostly Cloudy
Humidity
33%
Feels like
18°F
Dew Point
2°F
4:11 PM
5 PM
27°F
0%
11mph
SSW
Mostly Cloudy
Humidity
38%
Feels like
17°F
Dew Point
5°F
6 PM
28°F
0%
12mph
SSW
Mostly Cloudy
Humidity
43%
Feels like
17°F
Dew Point
8°F
7 PM
28°F
0%
13mph
SSW
Mostly Cloudy
Humidity
49%
Feels like
17°F
Dew Point
11°F
8 PM
29°F
10%
13mph
SSW
Mostly Cloudy
Humidity
55%
Feels like
18°F
Dew Point
15°F
9 PM
30°F
10%
12mph
SSW
Cloudy
Humidity
61%
Feels like
20°F
Dew Point
18°F
10 PM
30°F
10%
12mph
SSW
Cloudy
Humidity
66%
Feels like
21°F
Dew Point
20°F
11 PM
31°F
20%
12mph
SSW
Cloudy
Humidity
70%
Feels like
22°F
Dew Point
23°F

Rainfall Forecast for Northwest through Thursday

Heavy Rain, Flooding Soaks The Northwest

A fast-moving series of atmospheric rivers continue to drench the Pacific Northwest today through Thursday.

Snow and ice forecast through Thursday A.M.

Snow Barrels Across the Northern U.S.

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