Hourly Weather Forecast - Walnut, CA

12 AM
57°F
0%
3mph
NE
Clear
Humidity
68%
Feels like
57°F
Dew Point
46°F
1 AM
56°F
0%
3mph
ENE
Clear
Humidity
69%
Feels like
56°F
Dew Point
46°F
2 AM
56°F
0%
3mph
ENE
Clear
Humidity
70%
Feels like
56°F
Dew Point
46°F
3 AM
56°F
0%
3mph
NE
Mostly Clear
Humidity
71%
Feels like
56°F
Dew Point
46°F
4 AM
55°F
0%
3mph
NE
Mostly Clear
Humidity
72%
Feels like
55°F
Dew Point
46°F
5 AM
55°F
0%
4mph
NE
Mostly Clear
Humidity
72%
Feels like
55°F
Dew Point
46°F
6 AM
55°F
0%
4mph
NE
Clear
Humidity
72%
Feels like
55°F
Dew Point
46°F
6:50 AM
7 AM
56°F
0%
4mph
NE
Sunny
Humidity
70%
Feels like
56°F
Dew Point
46°F
8 AM
59°F
0%
4mph
NE
Sunny
Humidity
65%
Feels like
59°F
Dew Point
47°F
9 AM
63°F
0%
4mph
NE
Sunny
Humidity
58%
Feels like
63°F
Dew Point
48°F
10 AM
67°F
0%
3mph
NE
Sunny
Humidity
52%
Feels like
67°F
Dew Point
48°F
11 AM
70°F
0%
4mph
NW
Sunny
Humidity
47%
Feels like
70°F
Dew Point
49°F
12 PM
72°F
0%
4mph
WSW
Sunny
Humidity
44%
Feels like
72°F
Dew Point
49°F
1 PM
73°F
0%
5mph
WSW
Sunny
Humidity
42%
Feels like
73°F
Dew Point
49°F
2 PM
73°F
0%
5mph
WSW
Sunny
Humidity
43%
Feels like
73°F
Dew Point
49°F
3 PM
71°F
0%
5mph
WSW
Sunny
Humidity
50%
Feels like
71°F
Dew Point
51°F
4 PM
68°F
0%
5mph
WSW
Sunny
Humidity
59%
Feels like
68°F
Dew Point
53°F
4:44 PM
5 PM
65°F
0%
4mph
W
Clear
Humidity
67%
Feels like
65°F
Dew Point
53°F
6 PM
62°F
0%
4mph
N
Clear
Humidity
72%
Feels like
62°F
Dew Point
53°F
7 PM
61°F
0%
4mph
NNE
Clear
Humidity
75%
Feels like
61°F
Dew Point
53°F
8 PM
60°F
0%
4mph
NE
Clear
Humidity
75%
Feels like
60°F
Dew Point
52°F
9 PM
60°F
0%
4mph
NE
Clear
Humidity
72%
Feels like
60°F
Dew Point
51°F
10 PM
59°F
0%
5mph
NE
Clear
Humidity
70%
Feels like
59°F
Dew Point
50°F
11 PM
59°F
0%
5mph
NE
Clear
Humidity
68%
Feels like
59°F
Dew Point
48°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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