Hourly Weather Forecast - Waltham, MA

12 AM
22°F
0%
4mph
WSW
Partly Cloudy
Humidity
72%
Feels like
17°F
Dew Point
15°F
1 AM
22°F
0%
4mph
WSW
Mostly Cloudy
Humidity
74%
Feels like
17°F
Dew Point
15°F
2 AM
22°F
0%
4mph
WSW
Partly Cloudy
Humidity
75%
Feels like
16°F
Dew Point
15°F
3 AM
22°F
0%
4mph
WSW
Partly Cloudy
Humidity
75%
Feels like
16°F
Dew Point
15°F
4 AM
21°F
0%
4mph
WSW
Partly Cloudy
Humidity
76%
Feels like
16°F
Dew Point
15°F
5 AM
21°F
0%
3mph
WSW
Partly Cloudy
Humidity
76%
Feels like
16°F
Dew Point
14°F
6 AM
21°F
0%
2mph
WSW
Partly Cloudy
Humidity
76%
Feels like
21°F
Dew Point
15°F
7 AM
22°F
0%
2mph
WSW
Mostly Clear
Humidity
74%
Feels like
22°F
Dew Point
15°F
7:07 AM
8 AM
24°F
0%
2mph
WSW
Sunny
Humidity
72%
Feels like
24°F
Dew Point
16°F
9 AM
26°F
0%
2mph
WSW
Sunny
Humidity
69%
Feels like
26°F
Dew Point
17°F
10 AM
28°F
0%
2mph
WSW
Sunny
Humidity
62%
Feels like
28°F
Dew Point
17°F
11 AM
30°F
0%
3mph
WSW
Sunny
Humidity
57%
Feels like
30°F
Dew Point
17°F
12 PM
32°F
0%
3mph
WSW
Sunny
Humidity
54%
Feels like
29°F
Dew Point
17°F
1 PM
33°F
0%
4mph
WSW
Sunny
Humidity
52%
Feels like
29°F
Dew Point
17°F
2 PM
33°F
0%
4mph
WSW
Sunny
Humidity
52%
Feels like
29°F
Dew Point
17°F
3 PM
32°F
0%
4mph
SW
Sunny
Humidity
54%
Feels like
29°F
Dew Point
17°F
4 PM
31°F
0%
3mph
SW
Sunny
Humidity
57%
Feels like
28°F
Dew Point
17°F
4:13 PM
5 PM
29°F
0%
3mph
SW
Clear
Humidity
60%
Feels like
26°F
Dew Point
17°F
6 PM
28°F
0%
4mph
SW
Mostly Clear
Humidity
62%
Feels like
24°F
Dew Point
17°F
7 PM
27°F
0%
4mph
SW
Mostly Clear
Humidity
63%
Feels like
23°F
Dew Point
16°F
8 PM
27°F
0%
4mph
SSW
Partly Cloudy
Humidity
65%
Feels like
22°F
Dew Point
17°F
9 PM
27°F
0%
5mph
SSW
Partly Cloudy
Humidity
68%
Feels like
21°F
Dew Point
18°F
10 PM
27°F
0%
6mph
SSW
Mostly Cloudy
Humidity
70%
Feels like
20°F
Dew Point
19°F
11 PM
27°F
0%
6mph
SSW
Partly Cloudy
Humidity
72%
Feels like
20°F
Dew Point
19°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

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