Hourly Weather Forecast - Sudbury, MA

12 AM
22°F
10%
6mph
WSW
Cloudy
Humidity
69%
Feels like
14°F
Dew Point
13°F
1 AM
22°F
10%
6mph
WSW
Cloudy
Humidity
70%
Feels like
14°F
Dew Point
14°F
2 AM
22°F
10%
6mph
WSW
Mostly Cloudy
Humidity
72%
Feels like
13°F
Dew Point
14°F
3 AM
21°F
10%
7mph
WSW
Mostly Cloudy
Humidity
74%
Feels like
13°F
Dew Point
14°F
4 AM
20°F
10%
7mph
W
Partly Cloudy
Humidity
75%
Feels like
12°F
Dew Point
14°F
5 AM
20°F
10%
7mph
W
Partly Cloudy
Humidity
77%
Feels like
11°F
Dew Point
14°F
6 AM
20°F
10%
6mph
W
Mostly Clear
Humidity
78%
Feels like
12°F
Dew Point
15°F
7 AM
21°F
10%
6mph
W
Clear
Humidity
79%
Feels like
12°F
Dew Point
15°F
7:08 AM
8 AM
22°F
10%
7mph
W
Sunny
Humidity
76%
Feels like
14°F
Dew Point
16°F
9 AM
24°F
20%
7mph
W
Mostly Sunny
Humidity
73%
Feels like
16°F
Dew Point
17°F
10 AM
26°F
20%
8mph
W
Mostly Sunny
Humidity
69%
Feels like
17°F
Dew Point
17°F
11 AM
27°F
20%
8mph
WNW
Mostly Sunny
Humidity
68%
Feels like
19°F
Dew Point
18°F
12 PM
28°F
20%
8mph
WNW
Mostly Sunny
Humidity
68%
Feels like
20°F
Dew Point
19°F
1 PM
28°F
10%
8mph
WNW
Mostly Sunny
Humidity
69%
Feels like
20°F
Dew Point
19°F
2 PM
28°F
10%
8mph
WNW
Partly Cloudy
Humidity
70%
Feels like
20°F
Dew Point
19°F
3 PM
28°F
0%
7mph
WNW
Mostly Cloudy
Humidity
71%
Feels like
20°F
Dew Point
20°F
4 PM
27°F
0%
6mph
WNW
Cloudy
Humidity
72%
Feels like
20°F
Dew Point
20°F
4:14 PM
5 PM
27°F
0%
6mph
W
Cloudy
Humidity
75%
Feels like
20°F
Dew Point
20°F
6 PM
26°F
0%
6mph
W
Cloudy
Humidity
78%
Feels like
20°F
Dew Point
20°F
7 PM
26°F
0%
5mph
W
Cloudy
Humidity
80%
Feels like
19°F
Dew Point
20°F
8 PM
25°F
0%
4mph
W
Mostly Cloudy
Humidity
82%
Feels like
19°F
Dew Point
20°F
9 PM
24°F
0%
4mph
W
Partly Cloudy
Humidity
83%
Feels like
19°F
Dew Point
20°F
10 PM
23°F
0%
3mph
W
Mostly Clear
Humidity
85%
Feels like
19°F
Dew Point
19°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

Thursday's Weather Outlook

Thursday'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