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

57°F

14°C

Humidity 64%
Wind Speed SE 3 mph
Barometer 30.21 in (1023.0 mb)
Dewpoint 45°F (7°C)
Visibility 10.00 mi
Last update 10 Sep 2:53 am EDT
Extended Forecast for

Thompsonville PA

  • Overnight

    Overnight: Mostly clear, with a low around 46. Calm wind.

    Low: 46 °F

    Mostly Clear

  • Wednesday

    Wednesday: Patchy fog between 7am and 8am. Otherwise, sunny, with a high near 78. Calm wind becoming northeast around 5 mph.

    High: 78 °F

    Patchy Fog
    then Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 47. Calm wind.

    Low: 47 °F

    Mostly Clear

  • Thursday

    Thursday: Patchy fog before 9am. Otherwise, sunny, with a high near 79. Calm wind becoming north 5 to 7 mph in the afternoon.

    High: 79 °F

    Patchy Fog
    then Sunny

  • Thursday Night

    Thursday Night: Patchy fog after 5am. Otherwise, mostly clear, with a low around 50. Light north wind.

    Low: 50 °F

    Mostly Clear
    then Patchy
    Fog

  • Friday

    Friday: Patchy fog before 7am. Otherwise, sunny, with a high near 81.

    High: 81 °F

    Patchy Fog
    then Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 53.

    Low: 53 °F

    Mostly Clear

  • Saturday

    Saturday: Patchy fog before 9am. Otherwise, sunny, with a high near 83.

    High: 83 °F

    Patchy Fog
    then Mostly
    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 58.

    Low: 58 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly clear, with a low around 46. Calm wind.
Wednesday
Patchy fog between 7am and 8am. Otherwise, sunny, with a high near 78. Calm wind becoming northeast around 5 mph.
Wednesday Night
Mostly clear, with a low around 47. Calm wind.
Thursday
Patchy fog before 9am. Otherwise, sunny, with a high near 79. Calm wind becoming north 5 to 7 mph in the afternoon.
Thursday Night
Patchy fog after 5am. Otherwise, mostly clear, with a low around 50. Light north wind.
Friday
Patchy fog before 7am. Otherwise, sunny, with a high near 81.
Friday Night
Mostly clear, with a low around 53.
Saturday
Patchy fog before 9am. Otherwise, sunny, with a high near 83.
Saturday Night
Partly cloudy, with a low around 58.
Sunday
Mostly sunny, with a high near 82.
Sunday Night
Mostly clear, with a low around 56.
Monday
Sunny, with a high near 80.
Monday Night
Mostly clear, with a low around 55.
Tuesday
Mostly sunny, with a high near 81.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Thompsonville PA
 40.27°N 80.12°W (Elev. 1063 ft)
Last Update:
1:00 am EDT Sep 10, 2025
Forecast Valid:
3am EDT Sep 10, 2025-6pm EDT Sep 16, 2025
 
Forecast Discussion
 
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Additional Resources

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National Digital Forecast Database

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High Temperature

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Chance of Precipitation