Hourly Weather Forecast - Walnut, CA

12 AM
58°F
0%
3mph
E
Clear
Humidity
71%
Feels like
58°F
Dew Point
49°F
1 AM
58°F
0%
3mph
E
Clear
Humidity
71%
Feels like
58°F
Dew Point
49°F
2 AM
57°F
0%
3mph
E
Clear
Humidity
72%
Feels like
57°F
Dew Point
48°F
3 AM
56°F
0%
3mph
ENE
Clear
Humidity
74%
Feels like
56°F
Dew Point
48°F
4 AM
55°F
0%
3mph
ENE
Clear
Humidity
77%
Feels like
55°F
Dew Point
48°F
5 AM
55°F
0%
3mph
ENE
Clear
Humidity
79%
Feels like
55°F
Dew Point
48°F
6 AM
55°F
0%
3mph
ENE
Clear
Humidity
78%
Feels like
55°F
Dew Point
48°F
6:52 AM
7 AM
56°F
0%
3mph
ENE
Sunny
Humidity
75%
Feels like
56°F
Dew Point
49°F
8 AM
60°F
0%
3mph
E
Sunny
Humidity
70%
Feels like
60°F
Dew Point
50°F
9 AM
64°F
0%
3mph
SSE
Sunny
Humidity
60%
Feels like
64°F
Dew Point
50°F
10 AM
67°F
0%
3mph
S
Sunny
Humidity
54%
Feels like
67°F
Dew Point
50°F
11 AM
70°F
0%
4mph
SSW
Mostly Sunny
Humidity
47%
Feels like
70°F
Dew Point
49°F
12 PM
73°F
0%
5mph
SW
Mostly Sunny
Humidity
44%
Feels like
73°F
Dew Point
50°F
1 PM
74°F
0%
6mph
SW
Mostly Sunny
Humidity
43%
Feels like
74°F
Dew Point
49°F
2 PM
73°F
0%
6mph
SW
Partly Cloudy
Humidity
44%
Feels like
73°F
Dew Point
50°F
3 PM
71°F
0%
6mph
SW
Partly Cloudy
Humidity
50%
Feels like
71°F
Dew Point
52°F
4 PM
68°F
0%
6mph
SW
Partly Cloudy
Humidity
58%
Feels like
68°F
Dew Point
53°F
4:45 PM
5 PM
64°F
0%
5mph
SW
Partly Cloudy
Humidity
69%
Feels like
64°F
Dew Point
54°F
6 PM
62°F
0%
4mph
SW
Mostly Clear
Humidity
75%
Feels like
62°F
Dew Point
54°F
7 PM
60°F
0%
3mph
SW
Mostly Clear
Humidity
79%
Feels like
60°F
Dew Point
54°F
8 PM
59°F
0%
3mph
SSW
Mostly Clear
Humidity
80%
Feels like
59°F
Dew Point
53°F
9 PM
58°F
0%
2mph
SSE
Partly Cloudy
Humidity
81%
Feels like
58°F
Dew Point
52°F
10 PM
58°F
0%
2mph
SE
Partly Cloudy
Humidity
80%
Feels like
58°F
Dew Point
52°F
11 PM
57°F
0%
2mph
SE
Partly Cloudy
Humidity
80%
Feels like
57°F
Dew Point
51°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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