Hourly Weather Forecast - Waltham, MA

12 AM
33°F
10%
8mph
SSW
Cloudy
Humidity
72%
Feels like
26°F
Dew Point
25°F
1 AM
34°F
10%
8mph
SSW
Cloudy
Humidity
74%
Feels like
27°F
Dew Point
27°F
2 AM
35°F
20%
8mph
SSW
Cloudy
Humidity
76%
Feels like
28°F
Dew Point
28°F
3 AM
35°F
20%
8mph
SSW
Cloudy
Humidity
76%
Feels like
29°F
Dew Point
29°F
4 AM
35°F
30%
8mph
SSW
30% Chance of Flurries
Humidity
78%
Feels like
29°F
Dew Point
29°F
5 AM
36°F
30%
7mph
SSW
30% Chance of Flurries
Humidity
79%
Feels like
30°F
Dew Point
30°F
6 AM
36°F
30%
7mph
SSW
30% Chance of Flurries
Humidity
80%
Feels like
30°F
Dew Point
30°F
7 AM
36°F
20%
6mph
SSW
Mostly Cloudy
Humidity
80%
Feels like
31°F
Dew Point
31°F
7:10 AM
8 AM
37°F
20%
6mph
SW
Cloudy
Humidity
75%
Feels like
32°F
Dew Point
30°F
9 AM
38°F
10%
6mph
SW
Cloudy
Humidity
72%
Feels like
34°F
Dew Point
30°F
10 AM
40°F
10%
6mph
SW
Cloudy
Humidity
66%
Feels like
36°F
Dew Point
30°F
11 AM
42°F
10%
7mph
SW
Cloudy
Humidity
63%
Feels like
38°F
Dew Point
30°F
12 PM
43°F
10%
8mph
WSW
Cloudy
Humidity
59%
Feels like
39°F
Dew Point
30°F
1 PM
43°F
10%
8mph
WSW
Cloudy
Humidity
57%
Feels like
39°F
Dew Point
29°F
2 PM
42°F
10%
8mph
WSW
Cloudy
Humidity
57%
Feels like
37°F
Dew Point
28°F
3 PM
41°F
10%
8mph
WSW
Cloudy
Humidity
58%
Feels like
35°F
Dew Point
28°F
4 PM
39°F
10%
8mph
WSW
Cloudy
Humidity
60%
Feels like
34°F
Dew Point
27°F
4:15 PM
5 PM
38°F
10%
8mph
W
Cloudy
Humidity
61%
Feels like
32°F
Dew Point
26°F
6 PM
37°F
10%
9mph
W
Cloudy
Humidity
60%
Feels like
30°F
Dew Point
24°F
7 PM
36°F
10%
9mph
W
Cloudy
Humidity
59%
Feels like
29°F
Dew Point
23°F
8 PM
35°F
10%
9mph
W
Cloudy
Humidity
61%
Feels like
28°F
Dew Point
23°F
9 PM
34°F
10%
8mph
W
Cloudy
Humidity
63%
Feels like
27°F
Dew Point
22°F
10 PM
33°F
10%
7mph
W
Cloudy
Humidity
65%
Feels like
26°F
Dew Point
22°F
11 PM
32°F
10%
6mph
W
Cloudy
Humidity
68%
Feels like
26°F
Dew Point
23°F

Rainfall Totals Through Wednesday A.M.

Heavy Rain Returns to Deluge Pacific Northwest

Another atmospheric river will hit the Pacific Northwest with heavy rain and high winds.

Monday's Weather Outlook

Today's Weather Outlook

How to Measure Snow via NWS

How To Measure Snow

Weekly Drought Map for December 11, 2025

Hit-or-Miss Precipitation Leads to Mixed Drought Results

A person standing in a snowy forest with their back to the camera. They are bundled up in a white hat and a brown jacket. (Image by StockSnap from Pixabay)

Common Cold Weather Illnesses

A strong cold-air-damming event from March 20, 2018.

Cold Air Damming - Cause And Effects

loading ad...

Today's National Outlook

Hurricane Tracker

Allergy Forecast

Snow & Ski Forecast

Traffic Cameras

Weather Cameras

Traffic Cameras

Weather Cameras

Outdoor Sports Guide