Hourly Weather Forecast - Ontario, CA

6 PM
63°F
0%
4mph
WNW
Clear
Humidity
56%
Feels like
63°F
Dew Point
47°F
7 PM
61°F
0%
3mph
NNW
Clear
Humidity
60%
Feels like
61°F
Dew Point
47°F
8 PM
60°F
0%
3mph
N
Clear
Humidity
61%
Feels like
60°F
Dew Point
47°F
9 PM
59°F
0%
4mph
N
Clear
Humidity
62%
Feels like
59°F
Dew Point
46°F
10 PM
58°F
0%
4mph
N
Clear
Humidity
62%
Feels like
58°F
Dew Point
45°F
11 PM
57°F
0%
4mph
NNE
Clear
Humidity
64%
Feels like
57°F
Dew Point
45°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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