Hourly Weather Forecast - Ontario, CA

12 PM
69°F
0%
4mph
WSW
Sunny
Humidity
41%
Feels like
69°F
Dew Point
44°F
1 PM
71°F
0%
5mph
WSW
Sunny
Humidity
39%
Feels like
71°F
Dew Point
45°F
2 PM
71°F
0%
5mph
WSW
Sunny
Humidity
41%
Feels like
71°F
Dew Point
46°F
3 PM
70°F
0%
5mph
WSW
Sunny
Humidity
48%
Feels like
70°F
Dew Point
49°F
4 PM
67°F
0%
5mph
WSW
Sunny
Humidity
56%
Feels like
67°F
Dew Point
51°F
4:43 PM
5 PM
64°F
0%
4mph
W
Clear
Humidity
67%
Feels like
64°F
Dew Point
52°F
6 PM
62°F
0%
4mph
NNW
Mostly Clear
Humidity
74%
Feels like
62°F
Dew Point
53°F
7 PM
60°F
0%
3mph
NNE
Clear
Humidity
78%
Feels like
60°F
Dew Point
53°F
8 PM
59°F
0%
3mph
NNE
Clear
Humidity
77%
Feels like
59°F
Dew Point
52°F
9 PM
58°F
0%
4mph
NNE
Clear
Humidity
75%
Feels like
58°F
Dew Point
51°F
10 PM
58°F
0%
4mph
NNE
Clear
Humidity
74%
Feels like
58°F
Dew Point
50°F
11 PM
57°F
0%
4mph
NNE
Clear
Humidity
74%
Feels like
57°F
Dew Point
49°F

Rainfall and Snowfall Totals Through Thursday

Pineapple Express Slams Northwestern U.S.

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

Wednesday'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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