Hourly Weather Forecast - Pittsburgh, Ontario, CA

12 AM
15°F
10%
6mph
WNW
Clear
Humidity
67%
Feels like
6°F
Dew Point
6°F
1 AM
15°F
10%
6mph
WNW
Clear
Humidity
66%
Feels like
6°F
Dew Point
6°F
2 AM
15°F
10%
6mph
WNW
Mostly Clear
Humidity
67%
Feels like
6°F
Dew Point
6°F
3 AM
14°F
10%
5mph
WNW
Partly Cloudy
Humidity
67%
Feels like
5°F
Dew Point
5°F
4 AM
14°F
10%
5mph
WNW
Partly Cloudy
Humidity
68%
Feels like
5°F
Dew Point
5°F
5 AM
13°F
10%
5mph
WNW
Mostly Cloudy
Humidity
68%
Feels like
5°F
Dew Point
5°F
6 AM
13°F
10%
5mph
WNW
Partly Cloudy
Humidity
69%
Feels like
5°F
Dew Point
5°F
7 AM
13°F
10%
5mph
WNW
Partly Cloudy
Humidity
69%
Feels like
5°F
Dew Point
5°F
7:38 AM
8 AM
14°F
10%
5mph
WNW
Partly Cloudy
Humidity
69%
Feels like
6°F
Dew Point
6°F
9 AM
15°F
10%
5mph
WNW
Mostly Cloudy
Humidity
68%
Feels like
8°F
Dew Point
7°F
10 AM
17°F
10%
5mph
WNW
Mostly Cloudy
Humidity
67%
Feels like
9°F
Dew Point
8°F
11 AM
19°F
0%
6mph
WNW
Mostly Cloudy
Humidity
65%
Feels like
11°F
Dew Point
9°F
12 PM
20°F
10%
6mph
W
Cloudy
Humidity
63%
Feels like
12°F
Dew Point
10°F
1 PM
21°F
10%
6mph
W
Cloudy
Humidity
62%
Feels like
13°F
Dew Point
10°F
2 PM
22°F
10%
6mph
W
Cloudy
Humidity
62%
Feels like
14°F
Dew Point
11°F
3 PM
22°F
10%
5mph
W
Cloudy
Humidity
64%
Feels like
16°F
Dew Point
12°F
4 PM
22°F
10%
4mph
W
Cloudy
Humidity
66%
Feels like
16°F
Dew Point
13°F
4:29 PM
5 PM
22°F
10%
4mph
W
Cloudy
Humidity
69%
Feels like
17°F
Dew Point
13°F
6 PM
21°F
10%
3mph
WSW
Cloudy
Humidity
72%
Feels like
17°F
Dew Point
14°F
7 PM
21°F
10%
3mph
WSW
Cloudy
Humidity
75%
Feels like
16°F
Dew Point
14°F
8 PM
21°F
20%
3mph
SW
Cloudy
Humidity
77%
Feels like
21°F
Dew Point
15°F
9 PM
21°F
20%
3mph
SW
Cloudy
Humidity
79%
Feels like
16°F
Dew Point
15°F
10 PM
21°F
20%
3mph
SSW
Cloudy
Humidity
81%
Feels like
16°F
Dew Point
16°F
11 PM
21°F
30%
3mph
SSW
30% Chance of Flurries
Humidity
82%
Feels like
17°F
Dew Point
16°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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