Hourly Weather Forecast - Ontario, CA

12 AM
57°F
0%
3mph
NE
Mostly Clear
Humidity
86%
Feels like
57°F
Dew Point
52°F
1 AM
56°F
0%
3mph
ENE
Mostly Clear
Humidity
87%
Feels like
56°F
Dew Point
52°F
2 AM
56°F
0%
3mph
ENE
Mostly Clear
Humidity
87%
Feels like
56°F
Dew Point
52°F
3 AM
55°F
0%
3mph
ENE
Mostly Clear
Humidity
87%
Feels like
55°F
Dew Point
52°F
4 AM
55°F
0%
3mph
NE
Mostly Clear
Humidity
87%
Feels like
55°F
Dew Point
51°F
5 AM
55°F
0%
3mph
ENE
Mostly Clear
Humidity
90%
Feels like
55°F
Dew Point
52°F
6 AM
55°F
0%
3mph
ENE
Mostly Clear
Humidity
88%
Feels like
55°F
Dew Point
52°F
6:52 AM
7 AM
57°F
0%
3mph
ENE
Mostly Sunny
Humidity
83%
Feels like
57°F
Dew Point
52°F
8 AM
61°F
0%
3mph
E
Mostly Sunny
Humidity
75%
Feels like
61°F
Dew Point
53°F
9 AM
64°F
0%
2mph
ESE
Mostly Sunny
Humidity
65%
Feels like
64°F
Dew Point
52°F
10 AM
67°F
0%
2mph
SE
Mostly Sunny
Humidity
57%
Feels like
67°F
Dew Point
52°F
11 AM
70°F
0%
3mph
S
Mostly Sunny
Humidity
51%
Feels like
70°F
Dew Point
51°F
12 PM
72°F
0%
4mph
SW
Mostly Sunny
Humidity
48%
Feels like
72°F
Dew Point
51°F
1 PM
73°F
0%
5mph
WSW
Partly Cloudy
Humidity
46%
Feels like
73°F
Dew Point
51°F
2 PM
73°F
0%
5mph
WSW
Mostly Sunny
Humidity
46%
Feels like
73°F
Dew Point
51°F
3 PM
72°F
0%
5mph
WSW
Mostly Sunny
Humidity
50%
Feels like
72°F
Dew Point
52°F
4 PM
69°F
0%
4mph
WSW
Mostly Sunny
Humidity
54%
Feels like
69°F
Dew Point
52°F
4:45 PM
5 PM
66°F
0%
4mph
WSW
Mostly Clear
Humidity
62%
Feels like
66°F
Dew Point
53°F
6 PM
64°F
0%
3mph
WSW
Mostly Clear
Humidity
69%
Feels like
64°F
Dew Point
53°F
7 PM
62°F
0%
3mph
WSW
Mostly Clear
Humidity
74%
Feels like
62°F
Dew Point
53°F
8 PM
60°F
0%
3mph
W
Mostly Clear
Humidity
77%
Feels like
60°F
Dew Point
53°F
9 PM
59°F
0%
3mph
NNW
Mostly Clear
Humidity
79%
Feels like
59°F
Dew Point
53°F
10 PM
58°F
0%
3mph
N
Mostly Clear
Humidity
79%
Feels like
58°F
Dew Point
52°F
11 PM
57°F
0%
3mph
N
Mostly Clear
Humidity
80%
Feels like
57°F
Dew Point
51°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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