Hourly Weather Forecast - Ontario, CA

12 AM
57°F
0%
3mph
NNE
Partly Cloudy
Humidity
80%
Feels like
57°F
Dew Point
51°F
1 AM
56°F
0%
3mph
NNE
Partly Cloudy
Humidity
80%
Feels like
56°F
Dew Point
50°F
2 AM
55°F
0%
3mph
NNE
Partly Cloudy
Humidity
81%
Feels like
55°F
Dew Point
49°F
3 AM
55°F
0%
3mph
NE
Partly Cloudy
Humidity
81%
Feels like
55°F
Dew Point
49°F
4 AM
54°F
0%
3mph
NE
Partly Cloudy
Humidity
82%
Feels like
54°F
Dew Point
49°F
5 AM
54°F
0%
3mph
ENE
Partly Cloudy
Humidity
81%
Feels like
54°F
Dew Point
48°F
6 AM
55°F
0%
4mph
NE
Partly Cloudy
Humidity
79%
Feels like
55°F
Dew Point
48°F
6:52 AM
7 AM
56°F
0%
4mph
NE
Partly Cloudy
Humidity
75%
Feels like
56°F
Dew Point
49°F
8 AM
60°F
0%
3mph
E
Partly Cloudy
Humidity
68%
Feels like
60°F
Dew Point
49°F
9 AM
64°F
0%
3mph
SE
Partly Cloudy
Humidity
59%
Feels like
64°F
Dew Point
49°F
10 AM
67°F
0%
2mph
S
Partly Cloudy
Humidity
54%
Feels like
67°F
Dew Point
49°F
11 AM
69°F
0%
3mph
SSW
Partly Cloudy
Humidity
49%
Feels like
69°F
Dew Point
50°F
12 PM
71°F
0%
4mph
SW
Partly Cloudy
Humidity
46%
Feels like
71°F
Dew Point
49°F
1 PM
73°F
0%
4mph
SW
Partly Cloudy
Humidity
44%
Feels like
73°F
Dew Point
50°F
2 PM
73°F
0%
5mph
WSW
Mostly Sunny
Humidity
45%
Feels like
73°F
Dew Point
50°F
3 PM
71°F
0%
5mph
WSW
Sunny
Humidity
49%
Feels like
71°F
Dew Point
51°F
4 PM
69°F
0%
5mph
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
63°F
0%
3mph
W
Partly Cloudy
Humidity
69%
Feels like
63°F
Dew Point
53°F
7 PM
61°F
0%
3mph
W
Partly Cloudy
Humidity
74%
Feels like
61°F
Dew Point
53°F
8 PM
60°F
0%
2mph
WNW
Partly Cloudy
Humidity
76%
Feels like
60°F
Dew Point
52°F
9 PM
59°F
0%
2mph
NNW
Partly Cloudy
Humidity
77%
Feels like
59°F
Dew Point
51°F
10 PM
58°F
0%
3mph
N
Partly Cloudy
Humidity
77%
Feels like
58°F
Dew Point
51°F
11 PM
57°F
0%
3mph
NNE
Partly Cloudy
Humidity
78%
Feels like
57°F
Dew Point
50°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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