Hourly Weather Forecast - Chatsworth, Ontario, CA

12 AM
10°F
20%
6mph
WNW
Foggy
Humidity
100%
Feels like
0°F
Dew Point
10°F
1 AM
10°F
20%
6mph
WNW
Foggy
Humidity
100%
Feels like
0°F
Dew Point
10°F
2 AM
10°F
20%
5mph
WNW
Foggy
Humidity
100%
Feels like
1°F
Dew Point
10°F
3 AM
11°F
20%
5mph
W
Foggy
Humidity
100%
Feels like
2°F
Dew Point
11°F
4 AM
12°F
20%
5mph
W
Foggy
Humidity
100%
Feels like
4°F
Dew Point
12°F
5 AM
12°F
10%
4mph
WSW
Foggy
Humidity
100%
Feels like
5°F
Dew Point
12°F
6 AM
13°F
10%
5mph
WSW
Foggy
Humidity
100%
Feels like
5°F
Dew Point
13°F
7 AM
14°F
10%
5mph
SW
Foggy
Humidity
100%
Feels like
6°F
Dew Point
14°F
7:57 AM
8 AM
16°F
10%
6mph
SW
Cloudy
Humidity
98%
Feels like
7°F
Dew Point
15°F
9 AM
18°F
10%
7mph
SW
Cloudy
Humidity
94%
Feels like
9°F
Dew Point
17°F
10 AM
20°F
10%
8mph
SW
Cloudy
Humidity
90%
Feels like
10°F
Dew Point
18°F
11 AM
22°F
10%
8mph
SW
Cloudy
Humidity
88%
Feels like
12°F
Dew Point
19°F
12 PM
23°F
10%
9mph
SW
Cloudy
Humidity
87%
Feels like
13°F
Dew Point
20°F
1 PM
24°F
10%
10mph
SW
Cloudy
Humidity
87%
Feels like
13°F
Dew Point
20°F
2 PM
24°F
20%
9mph
SW
Cloudy
Humidity
87%
Feels like
14°F
Dew Point
21°F
3 PM
24°F
20%
9mph
SW
Cloudy
Humidity
87%
Feels like
15°F
Dew Point
21°F
4 PM
24°F
20%
9mph
SSW
Cloudy
Humidity
89%
Feels like
14°F
Dew Point
21°F
4:47 PM
5 PM
23°F
20%
8mph
SSW
Cloudy
Humidity
89%
Feels like
14°F
Dew Point
21°F
6 PM
23°F
20%
8mph
SSW
Mostly Cloudy
Humidity
89%
Feels like
14°F
Dew Point
20°F
7 PM
22°F
20%
7mph
SSW
Mostly Cloudy
Humidity
89%
Feels like
14°F
Dew Point
20°F
8 PM
22°F
20%
7mph
S
Partly Cloudy
Humidity
90%
Feels like
13°F
Dew Point
20°F
9 PM
22°F
30%
7mph
S
30% Chance Snow Showers
Humidity
89%
Feels like
13°F
Dew Point
19°F
10 PM
22°F
30%
7mph
S
30% Chance Snow Showers
Humidity
89%
Feels like
13°F
Dew Point
19°F
11 PM
22°F
40%
8mph
S
40% Chance Snow Showers
Humidity
89%
Feels like
14°F
Dew Point
20°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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