Hourly Weather Forecast - Castaic, CA

4:46 PM
5 PM
66°F
0%
6mph
N
Mostly Clear
Humidity
54%
Feels like
66°F
Dew Point
49°F
6 PM
63°F
0%
6mph
NNW
Mostly Clear
Humidity
58%
Feels like
63°F
Dew Point
48°F
7 PM
62°F
0%
6mph
NNW
Clear
Humidity
60%
Feels like
62°F
Dew Point
48°F
8 PM
61°F
0%
5mph
NNW
Clear
Humidity
61%
Feels like
61°F
Dew Point
48°F
9 PM
61°F
0%
5mph
NNW
Clear
Humidity
60%
Feels like
61°F
Dew Point
47°F
10 PM
60°F
0%
5mph
NNW
Clear
Humidity
58%
Feels like
60°F
Dew Point
46°F
11 PM
59°F
0%
5mph
NNW
Clear
Humidity
57%
Feels like
59°F
Dew Point
44°F

Rainfall and Snowfall Totals Through Thursday

Flooding Rain, Heavy Snow and Winds Slam Northwest, North-Central U.S.

The atmospheric river this week will keep buffeting the Pacific Northwest with heavy rain, snow, and high winds.

Thursday's Weather Outlook

Thursday'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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