Hourly Weather Forecast - Saint Clair, PA

12 AM
9°F
0%
2mph
WSW
Clear
Humidity
71%
Feels like
9°F
Dew Point
2°F
1 AM
9°F
0%
2mph
WSW
Clear
Humidity
74%
Feels like
9°F
Dew Point
2°F
2 AM
8°F
0%
1mph
WSW
Clear
Humidity
77%
Feels like
8°F
Dew Point
2°F
3 AM
8°F
0%
1mph
WSW
Clear
Humidity
79%
Feels like
8°F
Dew Point
2°F
4 AM
7°F
0%
1mph
WSW
Clear
Humidity
78%
Feels like
7°F
Dew Point
2°F
5 AM
7°F
0%
0mph
SW
Mostly Clear
Humidity
79%
Feels like
7°F
Dew Point
2°F
6 AM
7°F
0%
0mph
SSW
Mostly Clear
Humidity
79%
Feels like
7°F
Dew Point
2°F
7 AM
8°F
0%
0mph
S
Partly Cloudy
Humidity
78%
Feels like
8°F
Dew Point
3°F
7:23 AM
8 AM
11°F
0%
1mph
S
Partly Cloudy
Humidity
75%
Feels like
11°F
Dew Point
4°F
9 AM
14°F
0%
2mph
S
Partly Cloudy
Humidity
71%
Feels like
14°F
Dew Point
7°F
10 AM
18°F
0%
4mph
S
Partly Cloudy
Humidity
66%
Feels like
13°F
Dew Point
9°F
11 AM
22°F
0%
5mph
S
Mostly Cloudy
Humidity
64%
Feels like
14°F
Dew Point
11°F
12 PM
24°F
0%
7mph
S
Cloudy
Humidity
65%
Feels like
16°F
Dew Point
14°F
1 PM
26°F
0%
9mph
S
Cloudy
Humidity
64%
Feels like
18°F
Dew Point
16°F
2 PM
28°F
0%
9mph
S
Cloudy
Humidity
63%
Feels like
20°F
Dew Point
17°F
3 PM
29°F
0%
9mph
S
Mostly Cloudy
Humidity
62%
Feels like
21°F
Dew Point
18°F
4 PM
30°F
0%
9mph
S
Mostly Cloudy
Humidity
63%
Feels like
22°F
Dew Point
19°F
5 PM
29°F
0%
8mph
S
Mostly Cloudy
Humidity
65%
Feels like
22°F
Dew Point
19°F
5:08 PM
6 PM
29°F
0%
7mph
S
Mostly Cloudy
Humidity
66%
Feels like
22°F
Dew Point
19°F
7 PM
29°F
0%
7mph
S
Mostly Cloudy
Humidity
66%
Feels like
22°F
Dew Point
19°F
8 PM
29°F
0%
6mph
S
Partly Cloudy
Humidity
65%
Feels like
23°F
Dew Point
19°F
9 PM
29°F
0%
6mph
S
Partly Cloudy
Humidity
64%
Feels like
23°F
Dew Point
19°F
10 PM
29°F
0%
6mph
SSW
Partly Cloudy
Humidity
66%
Feels like
23°F
Dew Point
19°F
11 PM
29°F
0%
5mph
SSW
Partly Cloudy
Humidity
69%
Feels like
23°F
Dew Point
20°F

Snow Forecast through Sunday

Unrelenting Storm Track Brings Snow to Great Lakes & Eastern U.S.

Two main areas of low pressure will produce snow in the Upper Midwest, Great Lakes and Eastern U.S.

Monday's Weather Outlook

Today's Weather Outlook

Weekly Drought Map for January 15, 2026

Active Weather Creates Mix of Improvements, Degradations to Drought Depiction

Vehicle driving in wintry conditions

Prepare Your Car for Cold Weather

(Image provided by NOAA)

Polar Vortex: What Is It?

People skating on a frozen pond on a clear day. (Image by Q K from Pixabay)

Safety Tips For Icy Surfaces

loading ad...

Today's National Outlook

Hurricane Tracker

Allergy Forecast

Snow & Ski Forecast

Traffic Cameras

Weather Cameras

Traffic Cameras

Weather Cameras

Outdoor Sports Guide