Hourly Weather Forecast - Ontario, CA

12 AM
56°F
0%
4mph
NE
Clear
Humidity
76%
Feels like
56°F
Dew Point
49°F
1 AM
55°F
0%
4mph
NE
Clear
Humidity
78%
Feels like
55°F
Dew Point
48°F
2 AM
54°F
0%
4mph
NE
Clear
Humidity
79%
Feels like
54°F
Dew Point
48°F
3 AM
54°F
0%
5mph
NE
Clear
Humidity
77%
Feels like
54°F
Dew Point
47°F
4 AM
55°F
0%
5mph
NE
Mostly Clear
Humidity
71%
Feels like
55°F
Dew Point
46°F
5 AM
55°F
0%
5mph
NE
Clear
Humidity
68%
Feels like
55°F
Dew Point
45°F
6 AM
56°F
0%
5mph
NE
Clear
Humidity
65%
Feels like
56°F
Dew Point
44°F
6:50 AM
7 AM
58°F
0%
5mph
ENE
Sunny
Humidity
61%
Feels like
58°F
Dew Point
45°F
8 AM
63°F
0%
5mph
ENE
Sunny
Humidity
55%
Feels like
63°F
Dew Point
46°F
9 AM
67°F
0%
4mph
ENE
Sunny
Humidity
47%
Feels like
67°F
Dew Point
47°F
10 AM
72°F
0%
4mph
ENE
Sunny
Humidity
40%
Feels like
72°F
Dew Point
46°F
11 AM
75°F
0%
3mph
ENE
Sunny
Humidity
35%
Feels like
75°F
Dew Point
46°F
12 PM
77°F
0%
3mph
NE
Sunny
Humidity
32%
Feels like
77°F
Dew Point
45°F
1 PM
79°F
0%
2mph
W
Sunny
Humidity
29%
Feels like
79°F
Dew Point
44°F
2 PM
79°F
0%
3mph
W
Sunny
Humidity
30%
Feels like
79°F
Dew Point
45°F
3 PM
78°F
0%
3mph
W
Mostly Sunny
Humidity
34%
Feels like
78°F
Dew Point
47°F
4 PM
75°F
0%
3mph
W
Mostly Sunny
Humidity
39%
Feels like
75°F
Dew Point
49°F
4:43 PM
5 PM
72°F
0%
3mph
WNW
Mostly Clear
Humidity
45%
Feels like
72°F
Dew Point
50°F
6 PM
69°F
0%
2mph
NW
Mostly Clear
Humidity
51%
Feels like
69°F
Dew Point
50°F
7 PM
67°F
0%
2mph
NNW
Clear
Humidity
54%
Feels like
67°F
Dew Point
50°F
8 PM
65°F
0%
3mph
N
Mostly Clear
Humidity
56%
Feels like
65°F
Dew Point
49°F
9 PM
64°F
0%
3mph
NNE
Mostly Clear
Humidity
56%
Feels like
64°F
Dew Point
48°F
10 PM
63°F
0%
3mph
NE
Mostly Clear
Humidity
57%
Feels like
63°F
Dew Point
48°F
11 PM
62°F
0%
4mph
NE
Mostly Clear
Humidity
58%
Feels like
62°F
Dew Point
47°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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