Hourly Weather Forecast - Jefferson Hills, PA

12 AM
19°F
0%
3mph
WSW
Mostly Clear
Humidity
62%
Feels like
14°F
Dew Point
8°F
1 AM
19°F
0%
3mph
WSW
Mostly Clear
Humidity
63%
Feels like
19°F
Dew Point
9°F
2 AM
19°F
0%
3mph
SW
Mostly Clear
Humidity
64%
Feels like
19°F
Dew Point
9°F
3 AM
20°F
0%
2mph
SW
Mostly Clear
Humidity
65%
Feels like
20°F
Dew Point
10°F
4 AM
20°F
0%
2mph
SSW
Mostly Clear
Humidity
65%
Feels like
20°F
Dew Point
10°F
5 AM
20°F
0%
2mph
SSW
Partly Cloudy
Humidity
66%
Feels like
20°F
Dew Point
10°F
6 AM
20°F
0%
2mph
S
Partly Cloudy
Humidity
68%
Feels like
20°F
Dew Point
11°F
7 AM
21°F
0%
2mph
S
Mostly Cloudy
Humidity
67%
Feels like
21°F
Dew Point
12°F
7:38 AM
8 AM
24°F
0%
2mph
S
Mostly Cloudy
Humidity
64%
Feels like
24°F
Dew Point
13°F
9 AM
27°F
0%
3mph
S
Mostly Cloudy
Humidity
60%
Feels like
27°F
Dew Point
15°F
10 AM
30°F
0%
3mph
S
Mostly Cloudy
Humidity
52%
Feels like
27°F
Dew Point
15°F
11 AM
33°F
0%
4mph
S
Mostly Cloudy
Humidity
47%
Feels like
30°F
Dew Point
15°F
12 PM
37°F
0%
4mph
S
Cloudy
Humidity
41%
Feels like
33°F
Dew Point
15°F
1 PM
40°F
0%
4mph
SSW
Cloudy
Humidity
36%
Feels like
37°F
Dew Point
15°F
2 PM
42°F
0%
5mph
SSW
Cloudy
Humidity
34%
Feels like
39°F
Dew Point
16°F
3 PM
44°F
10%
5mph
SSW
Cloudy
Humidity
35%
Feels like
41°F
Dew Point
17°F
4 PM
43°F
10%
5mph
SSW
Mostly Cloudy
Humidity
38%
Feels like
40°F
Dew Point
19°F
4:56 PM
5 PM
41°F
10%
5mph
SSW
Cloudy
Humidity
42%
Feels like
38°F
Dew Point
20°F
6 PM
40°F
10%
4mph
SSW
Cloudy
Humidity
46%
Feels like
37°F
Dew Point
20°F
7 PM
39°F
10%
5mph
SSW
Cloudy
Humidity
49%
Feels like
35°F
Dew Point
21°F
8 PM
38°F
10%
5mph
SSW
Cloudy
Humidity
51%
Feels like
35°F
Dew Point
22°F
9 PM
38°F
10%
5mph
SSW
Cloudy
Humidity
52%
Feels like
34°F
Dew Point
22°F
10 PM
38°F
10%
6mph
SSW
Cloudy
Humidity
53%
Feels like
34°F
Dew Point
23°F
11 PM
39°F
20%
6mph
SW
Cloudy
Humidity
54%
Feels like
34°F
Dew Point
23°F

Rainfall Totals Through Wednesday A.M.

Heavy Rain Returns to Deluge Pacific Northwest

Another atmospheric river will hit the Pacific Northwest with heavy rain and high winds.

Monday's Weather Outlook

Today'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 person standing in a snowy forest with their back to the camera. They are bundled up in a white hat and a brown jacket. (Image by StockSnap from Pixabay)

Common Cold Weather Illnesses

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

Cold Air Damming - Cause And Effects

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