Hourly Weather Forecast - Ontario, CA

12 AM
57°F
0%
3mph
ENE
Clear
Humidity
78%
Feels like
57°F
Dew Point
50°F
1 AM
56°F
0%
3mph
ENE
Clear
Humidity
80%
Feels like
56°F
Dew Point
50°F
2 AM
55°F
0%
3mph
NE
Clear
Humidity
80%
Feels like
55°F
Dew Point
49°F
3 AM
55°F
0%
3mph
NE
Mostly Clear
Humidity
81%
Feels like
55°F
Dew Point
49°F
4 AM
55°F
0%
3mph
NE
Mostly Clear
Humidity
80%
Feels like
55°F
Dew Point
49°F
5 AM
54°F
0%
3mph
NE
Mostly Clear
Humidity
81%
Feels like
54°F
Dew Point
48°F
6 AM
54°F
0%
3mph
NE
Mostly Clear
Humidity
80%
Feels like
54°F
Dew Point
48°F
6:51 AM
7 AM
56°F
0%
3mph
NE
Mostly Sunny
Humidity
77%
Feels like
56°F
Dew Point
49°F
8 AM
60°F
0%
3mph
ENE
Mostly Sunny
Humidity
70%
Feels like
60°F
Dew Point
50°F
9 AM
63°F
0%
2mph
SSE
Mostly Sunny
Humidity
61%
Feels like
63°F
Dew Point
50°F
10 AM
66°F
0%
3mph
S
Mostly Sunny
Humidity
54%
Feels like
66°F
Dew Point
49°F
11 AM
69°F
0%
3mph
SSW
Mostly Sunny
Humidity
48%
Feels like
69°F
Dew Point
48°F
12 PM
71°F
0%
4mph
SW
Mostly Sunny
Humidity
44%
Feels like
71°F
Dew Point
47°F
1 PM
72°F
0%
4mph
WSW
Mostly Sunny
Humidity
41%
Feels like
72°F
Dew Point
47°F
2 PM
72°F
0%
5mph
WSW
Mostly Sunny
Humidity
41%
Feels like
72°F
Dew Point
47°F
3 PM
71°F
0%
5mph
WSW
Mostly Sunny
Humidity
45%
Feels like
71°F
Dew Point
48°F
4 PM
68°F
0%
5mph
WSW
Partly Cloudy
Humidity
51%
Feels like
68°F
Dew Point
49°F
4:44 PM
5 PM
65°F
0%
4mph
WSW
Partly Cloudy
Humidity
60%
Feels like
65°F
Dew Point
51°F
6 PM
63°F
0%
4mph
WSW
Partly Cloudy
Humidity
68%
Feels like
63°F
Dew Point
52°F
7 PM
61°F
0%
3mph
WSW
Mostly Clear
Humidity
75%
Feels like
61°F
Dew Point
53°F
8 PM
59°F
0%
3mph
WSW
Mostly Clear
Humidity
79%
Feels like
59°F
Dew Point
53°F
9 PM
58°F
0%
3mph
WSW
Mostly Clear
Humidity
82%
Feels like
58°F
Dew Point
53°F
10 PM
58°F
0%
3mph
W
Mostly Clear
Humidity
84%
Feels like
58°F
Dew Point
53°F
11 PM
57°F
0%
3mph
WNW
Mostly Clear
Humidity
85%
Feels like
57°F
Dew Point
53°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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