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.

Fair

51°F

11°C

Humidity 52%
Wind Speed Vrbl 3 mph
Barometer 30.06 in (1018.9 mb)
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Last update 9 Nov 4:53 pm EST
Extended Forecast for

2 Miles SW Upper St. Clair PA

  • Tonight

    Tonight: Partly cloudy, with a low around 38. Calm wind becoming south 5 to 8 mph after midnight.

    Low: 38 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 63. Southwest wind 10 to 15 mph becoming west in the afternoon.

    High: 63 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Increasing clouds, with a low around 37. West wind around 5 mph becoming calm in the evening.

    Low: 37 °F

    Increasing
    Clouds

  • Veterans Day

    Veterans Day: Partly sunny, with a high near 62. Calm wind becoming southwest around 5 mph.

    High: 62 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: A chance of rain after 1am. Mostly cloudy, with a low around 43. Calm wind becoming southeast around 5 mph after midnight. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 43 °F

    Mostly Cloudy
    then Chance
    Rain

  • Thursday

    Thursday: Rain likely. Cloudy, with a high near 55. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    High: 55 °F

    Rain Likely

  • Thursday Night

    Thursday Night: Rain likely. Cloudy, with a low around 34. Chance of precipitation is 60%.

    Low: 34 °F

    Rain Likely

  • Friday

    Friday: Rain likely before 10am, then rain and snow likely between 10am and 1pm, then a chance of rain after 1pm. Cloudy, with a high near 43. Chance of precipitation is 60%.

    High: 43 °F

    Rain/Snow
    Likely

  • Friday Night

    Friday Night: A chance of rain and snow before 1am. Mostly cloudy, with a low around 31. Chance of precipitation is 30%.

    Low: 31 °F

    Chance
    Rain/Snow

Detailed Forecast

Tonight
Partly cloudy, with a low around 38. Calm wind becoming south 5 to 8 mph after midnight.
Tuesday
Sunny, with a high near 63. Southwest wind 10 to 15 mph becoming west in the afternoon.
Tuesday Night
Increasing clouds, with a low around 37. West wind around 5 mph becoming calm in the evening.
Veterans Day
Partly sunny, with a high near 62. Calm wind becoming southwest around 5 mph.
Wednesday Night
A chance of rain after 1am. Mostly cloudy, with a low around 43. Calm wind becoming southeast around 5 mph after midnight. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Thursday
Rain likely. Cloudy, with a high near 55. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Thursday Night
Rain likely. Cloudy, with a low around 34. Chance of precipitation is 60%.
Friday
Rain likely before 10am, then rain and snow likely between 10am and 1pm, then a chance of rain after 1pm. Cloudy, with a high near 43. Chance of precipitation is 60%.
Friday Night
A chance of rain and snow before 1am. Mostly cloudy, with a low around 31. Chance of precipitation is 30%.
Saturday
Mostly cloudy, with a high near 44.
Saturday Night
Mostly cloudy, with a low around 31.
Sunday
Partly sunny, with a high near 47.
Sunday Night
Mostly cloudy, with a low around 31.
Monday
Mostly sunny, with a high near 54.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SW Upper St. Clair PA
 40.31°N 80.12°W (Elev. 899 ft)
Last Update:
4:06 pm EST Nov 9, 2026
Forecast Valid:
5pm EST Nov 9, 2026-6pm EST Nov 16, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation