South Fayette Hourly Weather Forecast
Next 12 Hours
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Overcast conditions expected later. Temps range from 50° to 52°. Light winds from the E at 6.3 mph, with humidity levels between 55% to 62%, and an avg barometric pressure of 30.46 inHg.
Temp
Feel
Humidity
Wind
Pressure
Dew Point
UV
Precip.
9 PM
52°F
48°F
55%
5.6 E
30.46
36°F
0
13%
10 PM
52°F
48°F
55%
6.9 ENE
30.46
36°F
0
13%
11 PM
50°F
47°F
62%
6.5 E
30.45
38°F
0
15%
Sun, Nov 1st 2026
A full day of Overcast conditions is expected. Temps range from 48° to 51°. Light winds from the E at 6.1 mph, as humidity fluctuates between 52% to 60%, and an avg barometric pressure of 30.44 inHg.
Temp
Feel
Humidity
Wind
Pressure
Dew Point
UV
Precip.
12 AM
50°F
47°F
56%
6.5 ENE
30.45
35°F
0
13%
1 AM
51°F
47°F
59%
6.7 E
30.44
37°F
0
14%
2 AM
51°F
47°F
52%
7.2 E
30.43
34°F
0
13%
3 AM
50°F
46°F
52%
7.4 ENE
30.42
33°F
0
13%
4 AM
50°F
47°F
57%
5.8 E
30.43
36°F
0
14%
5 AM
49°F
46°F
55%
6 E
30.44
33°F
0
13%
6 AM
48°F
45°F
57%
5.1 E
30.44
33°F
0
13%
7 AM
50°F
47°F
60%
5.1 E
30.44
36°F
0
15%
8 AM
50°F
47°F
59%
5.4 E
30.45
36°F
0.2
14%
This hour by hour weather report is valid for ZIP code 15817, accurately covering the area of South Fayette, PA.
Currently
|
52°F |
30.46 inHg.
Barometer 60%
Humidity ENE 4.9mph Wind |
| Overcast | ||
National Outlook
Heavy Rain and Flash Flooding in the Southwest from 10-31 to 11-02
Sat Oct 31st 2026, 5:27am PDT
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