Hourly Weather Forecast - Sudbury, MA

12 AM
31°F
30%
4mph
W
30% Chance of Flurries
Humidity
90%
Feels like
27°F
Dew Point
29°F
1 AM
31°F
30%
4mph
W
30% Chance Snow Showers
Humidity
90%
Feels like
27°F
Dew Point
29°F
2 AM
31°F
30%
5mph
WNW
30% Chance Snow Showers
Humidity
90%
Feels like
26°F
Dew Point
29°F
3 AM
31°F
30%
6mph
WNW
30% Chance Snow Showers
Humidity
90%
Feels like
25°F
Dew Point
29°F
4 AM
31°F
30%
7mph
NW
30% Chance of Snow
Humidity
90%
Feels like
25°F
Dew Point
29°F
5 AM
31°F
40%
7mph
NW
40% Chance of Snow
Humidity
88%
Feels like
25°F
Dew Point
28°F
6 AM
32°F
40%
8mph
NW
40% Chance of Snow
Humidity
85%
Feels like
25°F
Dew Point
28°F
7 AM
32°F
30%
9mph
NW
30% Chance Snow Showers
Humidity
82%
Feels like
25°F
Dew Point
27°F
7:12 AM
8 AM
32°F
10%
9mph
NW
Partly Cloudy
Humidity
79%
Feels like
24°F
Dew Point
27°F
9 AM
33°F
10%
10mph
NW
Mostly Sunny
Humidity
75%
Feels like
25°F
Dew Point
26°F
10 AM
34°F
0%
11mph
NW
Mostly Sunny
Humidity
73%
Feels like
26°F
Dew Point
26°F
11 AM
35°F
0%
10mph
NW
Sunny
Humidity
71%
Feels like
27°F
Dew Point
26°F
12 PM
36°F
0%
10mph
NW
Sunny
Humidity
69%
Feels like
28°F
Dew Point
27°F
1 PM
36°F
0%
9mph
NW
Sunny
Humidity
68%
Feels like
29°F
Dew Point
27°F
2 PM
36°F
0%
9mph
NW
Sunny
Humidity
68%
Feels like
29°F
Dew Point
26°F
3 PM
34°F
0%
8mph
NW
Mostly Sunny
Humidity
70%
Feels like
27°F
Dew Point
26°F
4 PM
32°F
0%
7mph
NW
Mostly Sunny
Humidity
73%
Feels like
25°F
Dew Point
24°F
4:17 PM
5 PM
30°F
0%
6mph
NNW
Mostly Clear
Humidity
75%
Feels like
23°F
Dew Point
23°F
6 PM
28°F
0%
5mph
NNW
Clear
Humidity
77%
Feels like
22°F
Dew Point
22°F
7 PM
27°F
0%
5mph
NNW
Clear
Humidity
74%
Feels like
22°F
Dew Point
20°F
8 PM
26°F
0%
4mph
NW
Clear
Humidity
75%
Feels like
21°F
Dew Point
19°F
9 PM
25°F
0%
3mph
NW
Clear
Humidity
76%
Feels like
21°F
Dew Point
19°F
10 PM
24°F
0%
3mph
NW
Mostly Clear
Humidity
78%
Feels like
24°F
Dew Point
18°F
11 PM
24°F
0%
2mph
WNW
Partly Cloudy
Humidity
78%
Feels like
24°F
Dew Point
18°F

Rain And Snow Totals Through Monday

Atmospheric River Takes Aim For Northern California

The plume of abundant moisture impacting the Northwest the last several days will focus more on Northern California later today into Monday bringing heavy rainfall and mountain snow.

NOAA, NCDC

White Christmas? What Are The Odds

Sunday's Weather Outlook

Sunday's Weather Outlook

Cold weather

During Extreme Cold: Watch for Frostbite!

Flu Update Valid For Week Ending December 13, 2025

Weekly Flu Update: Flu Spreading Hard Across U.S.

Watch vs. Warning

Flash Flood Watch and Warning Defined

loading ad...

Today's National Outlook

Hurricane Tracker

Allergy Forecast

Snow & Ski Forecast

Traffic Cameras

Weather Cameras

Traffic Cameras

Weather Cameras

Outdoor Sports Guide