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.

Mostly Cloudy

74°F

23°C

Humidity 46%
Wind Speed SW 17 G 28 mph
Barometer 29.90 in (1012.4 mb)
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Last update 20 Jun 3:53 pm EDT
Extended Forecast for

Thompsonville PA

  • This Afternoon

    This Afternoon: A slight chance of showers and thunderstorms. Partly sunny, with a high near 76. West wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.

    High: 76 °F

    Slight Chance
    T-storms

  • Tonight

    Tonight: A chance of showers and thunderstorms before 8pm, then a slight chance of showers between 8pm and 9pm. Mostly cloudy, then gradually becoming clear, with a low around 56. Southwest wind 5 to 8 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 56 °F

    Chance
    T-storms then
    Mostly Clear

  • Sunday

    Sunday: Increasing clouds, with a high near 78. West wind 5 to 8 mph.

    High: 78 °F

    Increasing
    Clouds

  • Sunday Night

    Sunday Night: A slight chance of showers before 1am, then showers after 4am. Low around 60. Calm wind becoming east 5 to 7 mph after midnight. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 60 °F

    Mostly Cloudy
    then Showers

  • Monday

    Monday: Showers and possibly a thunderstorm. High near 74. Southeast wind around 14 mph becoming southwest in the afternoon. Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.

    High: 74 °F

    Showers

  • Monday Night

    Monday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 59. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 59 °F

    Showers
    Likely

  • Tuesday

    Tuesday: Partly sunny, with a high near 75.

    High: 75 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 55.

    Low: 55 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 78.

    High: 78 °F

    Sunny

Detailed Forecast

This Afternoon
A slight chance of showers and thunderstorms. Partly sunny, with a high near 76. West wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.
Tonight
A chance of showers and thunderstorms before 8pm, then a slight chance of showers between 8pm and 9pm. Mostly cloudy, then gradually becoming clear, with a low around 56. Southwest wind 5 to 8 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday
Increasing clouds, with a high near 78. West wind 5 to 8 mph.
Sunday Night
A slight chance of showers before 1am, then showers after 4am. Low around 60. Calm wind becoming east 5 to 7 mph after midnight. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Monday
Showers and possibly a thunderstorm. High near 74. Southeast wind around 14 mph becoming southwest in the afternoon. Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.
Monday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 59. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tuesday
Partly sunny, with a high near 75.
Tuesday Night
Mostly clear, with a low around 55.
Wednesday
Sunny, with a high near 78.
Wednesday Night
Mostly clear, with a low around 59.
Thursday
A chance of showers and thunderstorms. Mostly sunny, with a high near 79. Chance of precipitation is 30%.
Thursday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 60. Chance of precipitation is 30%.
Friday
Mostly sunny, with a high near 79.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Thompsonville PA
 40.29°N 80.12°W (Elev. 1155 ft)
Last Update:
2:21 pm EDT Jun 20, 2026
Forecast Valid:
4pm EDT Jun 20, 2026-6pm EDT Jun 26, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation