Hourly Weather Forecast - Jefferson Hills, PA

11 AM
42°F
90%
11mph
SW
Light Rain
Humidity
75%
Feels like
36°F
Dew Point
35°F
12 PM
40°F
100%
10mph
SW
Light Rain
Humidity
81%
Feels like
34°F
Dew Point
35°F
1 PM
40°F
90%
10mph
SW
Light Rain
Humidity
85%
Feels like
33°F
Dew Point
35°F
2 PM
39°F
80%
9mph
SW
80% Chance of Light Rain
Humidity
85%
Feels like
33°F
Dew Point
35°F
3 PM
39°F
40%
9mph
SW
40% Chance of Light Rain
Humidity
84%
Feels like
33°F
Dew Point
35°F
4 PM
39°F
50%
9mph
SW
50% Chance of Light Rain
Humidity
84%
Feels like
33°F
Dew Point
35°F
4:53 PM
5 PM
39°F
40%
9mph
SW
40% Chance of Light Rain
Humidity
86%
Feels like
33°F
Dew Point
35°F
6 PM
38°F
30%
9mph
WSW
30% Chance of Light Rain
Humidity
86%
Feels like
32°F
Dew Point
34°F
7 PM
37°F
40%
8mph
WSW
40% Chance Frozen Mix
Humidity
86%
Feels like
31°F
Dew Point
33°F
8 PM
36°F
30%
8mph
W
30% Chance Frozen Mix
Humidity
87%
Feels like
29°F
Dew Point
32°F
9 PM
34°F
30%
8mph
WNW
30% Chance Frozen Mix
Humidity
87%
Feels like
28°F
Dew Point
31°F
10 PM
33°F
30%
8mph
NW
30% Chance of Snow
Humidity
84%
Feels like
26°F
Dew Point
29°F
11 PM
31°F
30%
8mph
NW
30% Chance of Snow
Humidity
83%
Feels like
24°F
Dew Point
26°F

Snow and ice forecast through Friday A.M.

Multiple Snow Threats Across the Northern U.S.

Multiple systems will bring snow across the Northern U.S. through the end of the week.

Rainfall Forecast for Northwest through Friday A.M.

Unrelenting Rains Soak the Northwest

Today's Weather Outlook

Today's Weather Outlook

Weekly Drought Map for December 4, 2025

Active Week of Weather Leads to Mixed Drought Results

A strong cold-air-damming event from March 20, 2018.

Cold Air Damming - Cause And Effects

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

Safety Tips For Icy Surfaces

Today's National Outlook

Hurricane Tracker

Allergy Forecast

Snow & Ski Forecast

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Traffic Cameras

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Outdoor Sports Guide