Hourly Weather Forecast - Ontario, CA

1 AM
55°F
0%
4mph
NNW
Clear
Humidity
71%
Feels like
55°F
Dew Point
46°F
2 AM
55°F
0%
4mph
NNW
Clear
Humidity
71%
Feels like
55°F
Dew Point
45°F
3 AM
54°F
0%
4mph
NNE
Clear
Humidity
70%
Feels like
54°F
Dew Point
44°F
4 AM
53°F
0%
4mph
NE
Mostly Clear
Humidity
69%
Feels like
53°F
Dew Point
43°F
5 AM
53°F
0%
4mph
NE
Mostly Clear
Humidity
67%
Feels like
53°F
Dew Point
42°F
6 AM
53°F
0%
4mph
NE
Clear
Humidity
64%
Feels like
53°F
Dew Point
41°F
6:48 AM
7 AM
55°F
0%
4mph
NE
Sunny
Humidity
59%
Feels like
55°F
Dew Point
42°F
8 AM
60°F
0%
4mph
NE
Sunny
Humidity
52%
Feels like
60°F
Dew Point
42°F
9 AM
64°F
0%
3mph
WNW
Sunny
Humidity
44%
Feels like
64°F
Dew Point
42°F
10 AM
69°F
0%
3mph
WSW
Sunny
Humidity
37%
Feels like
69°F
Dew Point
41°F
11 AM
72°F
0%
3mph
W
Sunny
Humidity
32%
Feels like
72°F
Dew Point
40°F
12 PM
74°F
0%
4mph
W
Sunny
Humidity
28%
Feels like
74°F
Dew Point
39°F
1 PM
76°F
0%
4mph
W
Sunny
Humidity
27%
Feels like
76°F
Dew Point
39°F
2 PM
76°F
0%
4mph
W
Sunny
Humidity
27%
Feels like
76°F
Dew Point
40°F
3 PM
75°F
0%
4mph
W
Sunny
Humidity
30%
Feels like
75°F
Dew Point
42°F
4 PM
73°F
0%
4mph
W
Sunny
Humidity
35%
Feels like
73°F
Dew Point
43°F
4:42 PM
5 PM
70°F
0%
4mph
WNW
Clear
Humidity
41%
Feels like
70°F
Dew Point
45°F
6 PM
66°F
0%
3mph
NW
Clear
Humidity
48%
Feels like
66°F
Dew Point
46°F
7 PM
64°F
0%
3mph
NNW
Clear
Humidity
50%
Feels like
64°F
Dew Point
45°F
8 PM
62°F
0%
4mph
NNW
Clear
Humidity
49%
Feels like
62°F
Dew Point
43°F
9 PM
61°F
0%
4mph
N
Clear
Humidity
49%
Feels like
61°F
Dew Point
42°F
10 PM
60°F
0%
5mph
N
Clear
Humidity
46%
Feels like
60°F
Dew Point
39°F
11 PM
59°F
0%
5mph
N
Clear
Humidity
45%
Feels like
59°F
Dew Point
38°F

Wind chill temperatures Monday A.M.

Cold Weather Chills the Nation Down to the Gulf

Extreme cold paired with their wind chill values will shiver much of the nation.

Snowfall forecast through Monday evening.

Mid-Atlantic, Great Lakes Snow Piles Up

Monday'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 strong cold-air-damming event from March 20, 2018.

Cold Air Damming - Cause And Effects

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