Hourly Weather Forecast - Saint Clair, PA

12 AM
20°F
10%
8mph
WNW
Mostly Clear
Humidity
53%
Feels like
10°F
Dew Point
5°F
1 AM
19°F
10%
7mph
WNW
Mostly Clear
Humidity
54%
Feels like
10°F
Dew Point
5°F
2 AM
19°F
10%
6mph
WNW
Clear
Humidity
55%
Feels like
11°F
Dew Point
6°F
3 AM
19°F
10%
5mph
WNW
Clear
Humidity
55%
Feels like
11°F
Dew Point
5°F
4 AM
18°F
10%
5mph
WNW
Clear
Humidity
56%
Feels like
11°F
Dew Point
5°F
5 AM
17°F
10%
4mph
WNW
Clear
Humidity
58%
Feels like
11°F
Dew Point
5°F
6 AM
17°F
0%
4mph
W
Clear
Humidity
59%
Feels like
11°F
Dew Point
5°F
7 AM
17°F
0%
4mph
W
Clear
Humidity
59%
Feels like
12°F
Dew Point
6°F
7:26 AM
8 AM
19°F
0%
4mph
WSW
Mostly Sunny
Humidity
56%
Feels like
14°F
Dew Point
6°F
9 AM
21°F
0%
4mph
WSW
Partly Cloudy
Humidity
52%
Feels like
16°F
Dew Point
7°F
10 AM
24°F
0%
5mph
SW
Mostly Cloudy
Humidity
49%
Feels like
18°F
Dew Point
7°F
11 AM
26°F
0%
6mph
SW
Cloudy
Humidity
46%
Feels like
19°F
Dew Point
8°F
12 PM
27°F
10%
6mph
SSW
Cloudy
Humidity
44%
Feels like
20°F
Dew Point
9°F
1 PM
28°F
10%
7mph
SSW
Cloudy
Humidity
44%
Feels like
21°F
Dew Point
9°F
2 PM
28°F
10%
7mph
S
Cloudy
Humidity
45%
Feels like
21°F
Dew Point
10°F
3 PM
28°F
10%
7mph
S
Cloudy
Humidity
46%
Feels like
20°F
Dew Point
10°F
4 PM
28°F
10%
7mph
S
Cloudy
Humidity
49%
Feels like
20°F
Dew Point
11°F
5 PM
27°F
10%
7mph
S
Mostly Cloudy
Humidity
51%
Feels like
20°F
Dew Point
11°F
5:03 PM
6 PM
27°F
10%
6mph
S
Mostly Cloudy
Humidity
53%
Feels like
20°F
Dew Point
12°F
7 PM
28°F
20%
6mph
S
Partly Cloudy
Humidity
54%
Feels like
21°F
Dew Point
13°F
8 PM
28°F
10%
6mph
SSW
Partly Cloudy
Humidity
55%
Feels like
21°F
Dew Point
14°F
9 PM
28°F
10%
6mph
SSW
Partly Cloudy
Humidity
55%
Feels like
22°F
Dew Point
14°F
10 PM
28°F
0%
5mph
SSW
Partly Cloudy
Humidity
56%
Feels like
22°F
Dew Point
15°F
11 PM
29°F
10%
5mph
SSW
Partly Cloudy
Humidity
56%
Feels like
23°F
Dew Point
15°F

Tuesday's Weather Outlook

Today's Weather Outlook

Rain and snow showers will sweep through the Great Lakes as the Western U.S. begins a pattern of quiet and dry 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

(Image provided by Pixabay.com)

Before a High Wind Event

Windchill chart

Dangers of Wind Chills

A snow-covered trail in Sparkill, N.Y. (H. Martinez, WeatherBug user)

Top Winter Hiking Destinations

loading ad...

Today's National Outlook

Hurricane Tracker

Allergy Forecast

Snow & Ski Forecast

Traffic Cameras

Weather Cameras

Traffic Cameras

Weather Cameras

Outdoor Sports Guide