Hourly Weather Forecast - Pittsburgh, Ontario, CA

4 PM
38°F
0%
12mph
WSW
Mostly Cloudy
Humidity
83%
Feels like
31°F
Dew Point
34°F
4:27 PM
5 PM
37°F
0%
10mph
W
Mostly Cloudy
Humidity
82%
Feels like
30°F
Dew Point
32°F
6 PM
35°F
0%
8mph
W
Partly Cloudy
Humidity
81%
Feels like
29°F
Dew Point
30°F
7 PM
33°F
0%
5mph
W
Partly Cloudy
Humidity
81%
Feels like
28°F
Dew Point
28°F
8 PM
31°F
0%
4mph
W
Partly Cloudy
Humidity
81%
Feels like
26°F
Dew Point
26°F
9 PM
29°F
0%
4mph
W
Mostly Clear
Humidity
82%
Feels like
25°F
Dew Point
24°F
10 PM
27°F
0%
2mph
W
Mostly Clear
Humidity
83%
Feels like
27°F
Dew Point
22°F
11 PM
25°F
0%
1mph
W
Mostly Clear
Humidity
84%
Feels like
25°F
Dew Point
20°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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