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

62°F

17°C

Humidity 65%
Wind Speed SE 5 mph
Barometer 30.23 in (1023.3 mb)
Dewpoint 50°F (10°C)
Visibility 10.00 mi
Last update 5 Oct 1:53 am EDT
Extended Forecast for

2 Miles ENE Upper St. Clair PA

  • Overnight

    Overnight: Clear, with a low around 53. Calm wind.

    Low: 53 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 82. Calm wind becoming south around 6 mph in the afternoon.

    High: 82 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 56. South wind 3 to 6 mph.

    Low: 56 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 82. Southwest wind around 7 mph.

    High: 82 °F

    Sunny

  • Monday Night

    Monday Night: A chance of showers after 2am. Partly cloudy, with a low around 60. South wind 3 to 5 mph. Chance of precipitation is 30%.

    Low: 60 °F

    Partly Cloudy
    then Chance
    Showers

  • Tuesday

    Tuesday: A chance of showers before 11am, then a chance of showers and thunderstorms between 11am and 2pm, then showers and possibly a thunderstorm after 2pm. High near 75. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    High: 75 °F

    Chance
    Showers then
    Showers

  • Tuesday Night

    Tuesday Night: Showers, with thunderstorms also possible after 2am. Low around 55. Chance of precipitation is 90%.

    Low: 55 °F

    Showers

  • Wednesday

    Wednesday: Showers likely and possibly a thunderstorm before 8am. Mostly sunny, with a high near 66. Chance of precipitation is 60%.

    High: 66 °F

    Showers
    Likely then
    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 43.

    Low: 43 °F

    Mostly Clear

Detailed Forecast

Overnight
Clear, with a low around 53. Calm wind.
Sunday
Sunny, with a high near 82. Calm wind becoming south around 6 mph in the afternoon.
Sunday Night
Clear, with a low around 56. South wind 3 to 6 mph.
Monday
Sunny, with a high near 82. Southwest wind around 7 mph.
Monday Night
A chance of showers after 2am. Partly cloudy, with a low around 60. South wind 3 to 5 mph. Chance of precipitation is 30%.
Tuesday
A chance of showers before 11am, then a chance of showers and thunderstorms between 11am and 2pm, then showers and possibly a thunderstorm after 2pm. High near 75. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Tuesday Night
Showers, with thunderstorms also possible after 2am. Low around 55. Chance of precipitation is 90%.
Wednesday
Showers likely and possibly a thunderstorm before 8am. Mostly sunny, with a high near 66. Chance of precipitation is 60%.
Wednesday Night
Mostly clear, with a low around 43.
Thursday
Sunny, with a high near 66.
Thursday Night
Mostly clear, with a low around 47.
Friday
Mostly sunny, with a high near 69.
Friday Night
A chance of showers. Partly cloudy, with a low around 51. Chance of precipitation is 30%.
Saturday
A chance of showers. Mostly sunny, with a high near 71. Chance of precipitation is 30%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles ENE Upper St. Clair PA
 40.35°N 80.05°W (Elev. 1188 ft)
Last Update:
1:02 am EDT Oct 5, 2025
Forecast Valid:
2am EDT Oct 5, 2025-6pm EDT Oct 11, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation