Hourly Weather Forecast - Jefferson Hills, PA

12 AM
31°F
0%
5mph
SSW
Cloudy
Humidity
70%
Feels like
26°F
Dew Point
22°F
1 AM
32°F
10%
6mph
SSW
Cloudy
Humidity
71%
Feels like
27°F
Dew Point
24°F
2 AM
33°F
10%
6mph
SSW
Cloudy
Humidity
72%
Feels like
28°F
Dew Point
25°F
3 AM
34°F
10%
6mph
SW
Cloudy
Humidity
74%
Feels like
28°F
Dew Point
26°F
4 AM
35°F
10%
6mph
SW
Cloudy
Humidity
75%
Feels like
29°F
Dew Point
28°F
5 AM
35°F
10%
7mph
SW
Cloudy
Humidity
74%
Feels like
30°F
Dew Point
28°F
6 AM
36°F
0%
7mph
SW
Cloudy
Humidity
72%
Feels like
30°F
Dew Point
28°F
7 AM
37°F
0%
7mph
SW
Cloudy
Humidity
70%
Feels like
31°F
Dew Point
28°F
7:36 AM
8 AM
38°F
0%
7mph
SW
Mostly Cloudy
Humidity
70%
Feels like
32°F
Dew Point
29°F
9 AM
39°F
0%
7mph
SW
Partly Cloudy
Humidity
72%
Feels like
34°F
Dew Point
31°F
10 AM
40°F
0%
7mph
SW
Partly Cloudy
Humidity
69%
Feels like
35°F
Dew Point
31°F
11 AM
40°F
0%
7mph
SW
Partly Cloudy
Humidity
70%
Feels like
35°F
Dew Point
31°F
12 PM
40°F
0%
7mph
WSW
Mostly Cloudy
Humidity
70%
Feels like
36°F
Dew Point
31°F
1 PM
40°F
0%
6mph
WSW
Cloudy
Humidity
69%
Feels like
36°F
Dew Point
31°F
2 PM
40°F
0%
5mph
WSW
Mostly Cloudy
Humidity
71%
Feels like
36°F
Dew Point
31°F
3 PM
39°F
0%
4mph
WSW
Partly Cloudy
Humidity
74%
Feels like
36°F
Dew Point
31°F
4 PM
38°F
0%
3mph
WSW
Partly Cloudy
Humidity
77%
Feels like
38°F
Dew Point
31°F
4:55 PM
5 PM
36°F
0%
2mph
WSW
Mostly Cloudy
Humidity
80%
Feels like
36°F
Dew Point
31°F
6 PM
35°F
0%
1mph
WSW
Mostly Cloudy
Humidity
81%
Feels like
35°F
Dew Point
30°F
7 PM
34°F
0%
0mph
SW
Mostly Cloudy
Humidity
85%
Feels like
34°F
Dew Point
30°F
8 PM
32°F
0%
0mph
SSW
Partly Cloudy
Humidity
86%
Feels like
32°F
Dew Point
29°F
9 PM
31°F
0%
0mph
S
Partly Cloudy
Humidity
88%
Feels like
31°F
Dew Point
28°F
10 PM
29°F
0%
0mph
S
Partly Cloudy
Humidity
89%
Feels like
29°F
Dew Point
27°F
11 PM
28°F
0%
0mph
SSE
Partly Cloudy
Humidity
90%
Feels like
28°F
Dew Point
26°F

Wind chill temperatures Monday A.M.

Cold Weather Chills the Nation Down to the Gulf

Extreme cold paired with their wind chill values will shiver much of the nation.

Snowfall forecast through Monday evening.

Mid-Atlantic, Great Lakes Snow Piles Up

Monday's Weather Outlook

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

Cold Air Damming - Cause And Effects

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