Hourly Weather Forecast - Pittsburgh, Ontario, CA

12 AM
13°F
0%
4mph
S
Clear
Humidity
70%
Feels like
6°F
Dew Point
6°F
1 AM
15°F
0%
5mph
S
Clear
Humidity
70%
Feels like
6°F
Dew Point
7°F
2 AM
16°F
0%
6mph
S
Clear
Humidity
71%
Feels like
7°F
Dew Point
8°F
3 AM
17°F
0%
6mph
S
Clear
Humidity
73%
Feels like
9°F
Dew Point
10°F
4 AM
19°F
0%
6mph
S
Clear
Humidity
75%
Feels like
10°F
Dew Point
12°F
5 AM
19°F
0%
6mph
S
Clear
Humidity
77%
Feels like
10°F
Dew Point
13°F
6 AM
19°F
0%
6mph
S
Clear
Humidity
79%
Feels like
10°F
Dew Point
13°F
6:39 AM
7 AM
20°F
0%
6mph
S
Sunny
Humidity
80%
Feels like
11°F
Dew Point
14°F
8 AM
22°F
0%
6mph
S
Sunny
Humidity
78%
Feels like
14°F
Dew Point
17°F
9 AM
26°F
0%
7mph
S
Sunny
Humidity
76%
Feels like
19°F
Dew Point
20°F
10 AM
30°F
0%
7mph
S
Sunny
Humidity
74%
Feels like
23°F
Dew Point
22°F
11 AM
32°F
0%
7mph
S
Partly Cloudy
Humidity
73%
Feels like
25°F
Dew Point
24°F
12 PM
34°F
0%
8mph
S
Mostly Cloudy
Humidity
71%
Feels like
27°F
Dew Point
26°F
1 PM
35°F
0%
7mph
S
Cloudy
Humidity
71%
Feels like
30°F
Dew Point
27°F
2 PM
36°F
0%
6mph
S
Cloudy
Humidity
73%
Feels like
31°F
Dew Point
28°F
3 PM
36°F
10%
5mph
S
Mostly Cloudy
Humidity
75%
Feels like
32°F
Dew Point
29°F
4 PM
36°F
10%
4mph
S
Mostly Cloudy
Humidity
78%
Feels like
33°F
Dew Point
30°F
5 PM
35°F
10%
3mph
S
Mostly Cloudy
Humidity
81%
Feels like
32°F
Dew Point
30°F
5:55 PM
6 PM
34°F
10%
3mph
S
Cloudy
Humidity
85%
Feels like
34°F
Dew Point
30°F
7 PM
32°F
10%
2mph
SSE
Cloudy
Humidity
89%
Feels like
32°F
Dew Point
29°F
8 PM
32°F
20%
1mph
SSE
Cloudy
Humidity
91%
Feels like
32°F
Dew Point
29°F
9 PM
31°F
20%
1mph
SSE
Cloudy
Humidity
93%
Feels like
31°F
Dew Point
29°F
10 PM
31°F
20%
1mph
S
Mostly Cloudy
Humidity
94%
Feels like
31°F
Dew Point
29°F
11 PM
30°F
20%
0mph
S
Mostly Cloudy
Humidity
95%
Feels like
30°F
Dew Point
29°F

Snow and Ice Accumulations through Tuesday AM

Wintry Disturbance Bisects U.S. Mid-Latitudes

A wintry disturbance will bring icing and light snow from the central Plains today through the Northeast on Tuesday.

Today's Weather Outlook

Monday's Weather Outlook

Weekly Drought Map for February 26, 2026

Widespread Drought Degradation For South, Southeast; Mixed Results Elsewhere

Debris flies through the air as howling winds accompanied by a line of storms approach the old Tarrant County Courthouse in downtown Fort Worth, Texas, on March 2, 2023. (Tom Fox/The Dallas Morning News via AP)

Lightning Season Rapidly Approaching: Best Safety Practices

Rocky Mountain National Park at day in December. (NPS Natural Resources/Wikimedia Commons)

Snowmelt and Flooding

U.S. Route 52 near St. Donatus between Bellevue and Dubuque, Iowa. (Tony Webster from Portland, Oregon)

Winter Weather Driving Safety Tips

loading ad...

Today's National Outlook

Hurricane Tracker

Allergy Forecast

Traffic Cameras

Weather Cameras

Traffic Cameras

Weather Cameras

Outdoor Sports Guide