Hourly Weather Forecast - South Boston, MA

12 AM
20°F
10%
20mph
WNW
Partly Cloudy
Humidity
52%
Feels like
4°F
Dew Point
5°F
1 AM
19°F
10%
20mph
WNW
Partly Cloudy
Humidity
54%
Feels like
3°F
Dew Point
5°F
2 AM
18°F
10%
19mph
WNW
Mostly Clear
Humidity
55%
Feels like
2°F
Dew Point
4°F
3 AM
17°F
10%
19mph
WNW
Clear
Humidity
56%
Feels like
1°F
Dew Point
4°F
4 AM
17°F
10%
19mph
WNW
Clear
Humidity
56%
Feels like
0°F
Dew Point
4°F
5 AM
17°F
10%
18mph
WNW
Clear
Humidity
57%
Feels like
1°F
Dew Point
4°F
6 AM
16°F
10%
18mph
WNW
Clear
Humidity
61%
Feels like
0°F
Dew Point
5°F
7 AM
15°F
10%
18mph
WNW
Clear
Humidity
66%
Feels like
-2°F
Dew Point
6°F
7:06 AM
8 AM
14°F
10%
19mph
WNW
Sunny
Humidity
71%
Feels like
-3°F
Dew Point
6°F
9 AM
15°F
10%
20mph
WNW
Sunny
Humidity
71%
Feels like
-2°F
Dew Point
7°F
10 AM
17°F
10%
20mph
WNW
Sunny
Humidity
68%
Feels like
0°F
Dew Point
8°F
11 AM
19°F
10%
20mph
NW
Sunny
Humidity
63%
Feels like
3°F
Dew Point
8°F
12 PM
21°F
10%
20mph
NW
Mostly Sunny
Humidity
58%
Feels like
5°F
Dew Point
8°F
1 PM
22°F
10%
20mph
NW
Mostly Sunny
Humidity
54%
Feels like
7°F
Dew Point
8°F
2 PM
23°F
10%
20mph
NW
Mostly Sunny
Humidity
52%
Feels like
8°F
Dew Point
8°F
3 PM
23°F
10%
19mph
NW
Mostly Sunny
Humidity
53%
Feels like
8°F
Dew Point
8°F
4 PM
22°F
10%
18mph
WNW
Mostly Sunny
Humidity
54%
Feels like
7°F
Dew Point
8°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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Traffic Cameras

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Outdoor Sports Guide