Hourly Weather Forecast - Walnut, CA

6 AM
49°F
0%
5mph
ENE
Mostly Clear
Humidity
88%
Feels like
47°F
Dew Point
46°F
6:49 AM
7 AM
51°F
0%
5mph
ENE
Mostly Sunny
Humidity
82%
Feels like
51°F
Dew Point
45°F
8 AM
54°F
0%
5mph
ENE
Mostly Sunny
Humidity
76%
Feels like
54°F
Dew Point
47°F
9 AM
58°F
0%
4mph
NNE
Mostly Sunny
Humidity
67%
Feels like
58°F
Dew Point
48°F
10 AM
62°F
0%
3mph
NW
Sunny
Humidity
61%
Feels like
62°F
Dew Point
49°F
11 AM
66°F
0%
3mph
WNW
Sunny
Humidity
54%
Feels like
66°F
Dew Point
49°F
12 PM
69°F
0%
4mph
W
Sunny
Humidity
50%
Feels like
69°F
Dew Point
49°F
1 PM
70°F
0%
4mph
W
Sunny
Humidity
47%
Feels like
70°F
Dew Point
49°F
2 PM
70°F
0%
4mph
W
Sunny
Humidity
46%
Feels like
70°F
Dew Point
48°F
3 PM
69°F
0%
4mph
W
Sunny
Humidity
50%
Feels like
69°F
Dew Point
49°F
4 PM
67°F
0%
4mph
W
Sunny
Humidity
57%
Feels like
67°F
Dew Point
51°F
4:43 PM
5 PM
64°F
0%
4mph
SW
Clear
Humidity
63%
Feels like
64°F
Dew Point
51°F
6 PM
62°F
0%
3mph
ESE
Clear
Humidity
67%
Feels like
62°F
Dew Point
51°F
7 PM
60°F
0%
4mph
E
Mostly Clear
Humidity
70%
Feels like
60°F
Dew Point
50°F
8 PM
59°F
0%
4mph
E
Mostly Clear
Humidity
67%
Feels like
59°F
Dew Point
48°F
9 PM
58°F
0%
4mph
E
Mostly Clear
Humidity
63%
Feels like
58°F
Dew Point
46°F
10 PM
58°F
0%
5mph
E
Clear
Humidity
59%
Feels like
58°F
Dew Point
43°F
11 PM
57°F
0%
5mph
E
Clear
Humidity
55%
Feels like
57°F
Dew Point
41°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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