Hourly Weather Forecast - Waltham, MA

12 AM
35°F
0%
5mph
W
Clear
Humidity
80%
Feels like
31°F
Dew Point
29°F
1 AM
34°F
0%
4mph
W
Clear
Humidity
82%
Feels like
30°F
Dew Point
29°F
2 AM
33°F
0%
3mph
W
Clear
Humidity
83%
Feels like
30°F
Dew Point
28°F
3 AM
31°F
0%
2mph
WSW
Clear
Humidity
84%
Feels like
31°F
Dew Point
27°F
4 AM
30°F
0%
2mph
WSW
Clear
Humidity
86%
Feels like
30°F
Dew Point
26°F
5 AM
29°F
0%
1mph
SW
Clear
Humidity
85%
Feels like
29°F
Dew Point
26°F
6 AM
29°F
0%
1mph
WSW
Clear
Humidity
86%
Feels like
29°F
Dew Point
25°F
7 AM
29°F
0%
2mph
SW
Clear
Humidity
86%
Feels like
29°F
Dew Point
26°F
7:09 AM
8 AM
31°F
0%
2mph
SW
Mostly Sunny
Humidity
83%
Feels like
31°F
Dew Point
26°F
9 AM
33°F
0%
2mph
SSW
Mostly Sunny
Humidity
78%
Feels like
33°F
Dew Point
27°F
10 AM
36°F
0%
3mph
SSW
Partly Cloudy
Humidity
71%
Feels like
36°F
Dew Point
28°F
11 AM
39°F
0%
4mph
S
Mostly Sunny
Humidity
70%
Feels like
36°F
Dew Point
30°F
12 PM
41°F
0%
5mph
S
Partly Cloudy
Humidity
71%
Feels like
38°F
Dew Point
33°F
1 PM
42°F
0%
6mph
S
Partly Cloudy
Humidity
74%
Feels like
39°F
Dew Point
35°F
2 PM
43°F
0%
6mph
S
Partly Cloudy
Humidity
77%
Feels like
39°F
Dew Point
36°F
3 PM
42°F
0%
6mph
S
Partly Cloudy
Humidity
80%
Feels like
38°F
Dew Point
37°F
4 PM
42°F
0%
6mph
S
Partly Cloudy
Humidity
83%
Feels like
38°F
Dew Point
37°F
4:13 PM
5 PM
41°F
0%
6mph
S
Partly Cloudy
Humidity
85%
Feels like
37°F
Dew Point
37°F
6 PM
41°F
0%
6mph
S
Partly Cloudy
Humidity
87%
Feels like
37°F
Dew Point
38°F
7 PM
42°F
0%
6mph
S
Partly Cloudy
Humidity
87%
Feels like
38°F
Dew Point
38°F
8 PM
43°F
10%
7mph
S
Partly Cloudy
Humidity
88%
Feels like
39°F
Dew Point
39°F
9 PM
44°F
10%
8mph
S
Mostly Cloudy
Humidity
89%
Feels like
40°F
Dew Point
41°F
10 PM
46°F
30%
9mph
S
30% Chance of Light Rain
Humidity
91%
Feels like
41°F
Dew Point
43°F
11 PM
47°F
30%
9mph
S
30% Chance of Light Rain
Humidity
92%
Feels like
43°F
Dew Point
45°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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