National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Pittsburgh - Allegheny County Airport (KAGC)

Lat: 40.36°NLon: 79.92°WElev: 1237ft.

Overcast

40°F

4°C

Humidity 83%
Wind Speed N 10 G 18 mph
Barometer 29.65 in (1005.1 mb)
Dewpoint 35°F (2°C)
Visibility 10.00 mi
Wind Chill34°F (1°C)
Last update 12 Nov 11:53 pm EST
Extended Forecast for

2 Miles SSE Upper St. Clair PA

  • Overnight

    Overnight: A chance of showers, mainly before 3am. Cloudy, with a low around 36. North wind around 11 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 36 °F

    Chance
    Showers

  • Friday

    Friday: Mostly cloudy, with a high near 45. North wind 9 to 13 mph.

    High: 45 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 31. West wind 5 to 8 mph.

    Low: 31 °F

    Mostly Cloudy

  • Saturday

    Saturday: A slight chance of snow showers before 10am, then a chance of rain showers. Mostly cloudy, with a high near 45. West wind 8 to 15 mph. Chance of precipitation is 50%. Little or no snow accumulation expected.

    High: 45 °F

    Slight Chance
    Rain/Snow
    then Chance
    Showers

  • Saturday Night

    Saturday Night: A slight chance of rain. Mostly cloudy, with a low around 33. West wind 9 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 20%.

    Low: 33 °F

    Slight Chance
    Rain

  • Sunday

    Sunday: A slight chance of rain before 1pm. Mostly cloudy, with a high near 47. Chance of precipitation is 20%.

    High: 47 °F

    Slight Chance
    Rain

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 34.

    Low: 34 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 48.

    High: 48 °F

    Partly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 30.

    Low: 30 °F

    Partly Cloudy

Detailed Forecast

Overnight
A chance of showers, mainly before 3am. Cloudy, with a low around 36. North wind around 11 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Friday
Mostly cloudy, with a high near 45. North wind 9 to 13 mph.
Friday Night
Mostly cloudy, with a low around 31. West wind 5 to 8 mph.
Saturday
A slight chance of snow showers before 10am, then a chance of rain showers. Mostly cloudy, with a high near 45. West wind 8 to 15 mph. Chance of precipitation is 50%. Little or no snow accumulation expected.
Saturday Night
A slight chance of rain. Mostly cloudy, with a low around 33. West wind 9 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 20%.
Sunday
A slight chance of rain before 1pm. Mostly cloudy, with a high near 47. Chance of precipitation is 20%.
Sunday Night
Mostly cloudy, with a low around 34.
Monday
Partly sunny, with a high near 48.
Monday Night
Partly cloudy, with a low around 30.
Tuesday
Sunny, with a high near 50.
Tuesday Night
Clear, with a low around 28.
Wednesday
Sunny, with a high near 55.
Wednesday Night
Clear, with a low around 29.
Thursday
Mostly sunny, with a high near 59.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SSE Upper St. Clair PA
 40.31°N 80.06°W (Elev. 1165 ft)
Last Update:
9:06 pm EST Nov 12, 2026
Forecast Valid:
12am EST Nov 13, 2026-6pm EST Nov 19, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation