Hourly Weather Forecast - Chatsworth, Ontario, CA

12 AM
22°F
0%
9mph
S
Mostly Cloudy
Humidity
98%
Feels like
13°F
Dew Point
22°F
1 AM
23°F
0%
11mph
S
Mostly Cloudy
Humidity
97%
Feels like
12°F
Dew Point
22°F
2 AM
24°F
0%
12mph
S
Mostly Cloudy
Humidity
98%
Feels like
13°F
Dew Point
23°F
3 AM
25°F
0%
13mph
S
Mostly Cloudy
Humidity
98%
Feels like
13°F
Dew Point
24°F
4 AM
26°F
0%
14mph
S
Partly Cloudy
Humidity
96%
Feels like
15°F
Dew Point
25°F
5 AM
28°F
0%
15mph
S
Mostly Cloudy
Humidity
94%
Feels like
17°F
Dew Point
27°F
6 AM
30°F
0%
15mph
S
Mostly Cloudy
Humidity
94%
Feels like
19°F
Dew Point
28°F
7 AM
31°F
0%
16mph
S
Mostly Cloudy
Humidity
95%
Feels like
20°F
Dew Point
30°F
7:54 AM
8 AM
33°F
0%
17mph
S
Mostly Cloudy
Humidity
93%
Feels like
22°F
Dew Point
31°F
9 AM
35°F
10%
19mph
S
Mostly Cloudy
Humidity
92%
Feels like
24°F
Dew Point
33°F
10 AM
36°F
10%
19mph
S
Cloudy
Humidity
90%
Feels like
25°F
Dew Point
33°F
11 AM
37°F
30%
19mph
S
30% Chance of Sleet
Humidity
89%
Feels like
26°F
Dew Point
34°F
12 PM
38°F
20%
19mph
S
Cloudy
Humidity
87%
Feels like
28°F
Dew Point
34°F
1 PM
38°F
30%
19mph
S
30% Chance of Light Rain
Humidity
86%
Feels like
28°F
Dew Point
34°F
2 PM
39°F
50%
19mph
S
50% Chance of Rain
Humidity
84%
Feels like
29°F
Dew Point
34°F
3 PM
39°F
50%
19mph
S
50% Chance of Rain
Humidity
84%
Feels like
29°F
Dew Point
34°F
4 PM
39°F
50%
20mph
S
50% Chance of Rain
Humidity
85%
Feels like
29°F
Dew Point
35°F
4:45 PM
5 PM
38°F
60%
20mph
S
60% Chance of Light Rain
Humidity
86%
Feels like
29°F
Dew Point
35°F
6 PM
38°F
60%
19mph
S
60% Chance of Rain
Humidity
89%
Feels like
28°F
Dew Point
35°F
7 PM
38°F
70%
19mph
S
70% Chance of Light Rain
Humidity
92%
Feels like
28°F
Dew Point
36°F
8 PM
37°F
80%
19mph
S
80% Chance of Rain
Humidity
96%
Feels like
27°F
Dew Point
36°F
9 PM
37°F
80%
18mph
SSW
80% Chance of Rain
Humidity
98%
Feels like
27°F
Dew Point
37°F
10 PM
37°F
60%
17mph
SSW
60% Chance of Light Rain
Humidity
100%
Feels like
27°F
Dew Point
37°F
11 PM
37°F
50%
16mph
SSW
50% Chance of Light Rain
Humidity
100%
Feels like
27°F
Dew Point
37°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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