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

Pittsburgh/Butler Regional Airport (KBTP)

Lat: 40.78°NLon: 79.96°WElev: 1248ft.

Fair

56°F

13°C

Humidity 93%
Wind Speed SW 3 mph
Barometer 29.96 in (1014.7 mb)
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Last update 20 Jun 6:56 am EDT
Extended Forecast for

Harrison Township PA

  • Today

    Today: A chance of showers and thunderstorms after 2pm. Increasing clouds, with a high near 77. West wind 5 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 77 °F

    Sunny then
    Chance
    T-storms

  • Tonight

    Tonight: A chance of showers and thunderstorms, mainly before 7pm. Partly cloudy, with a low around 56. West wind around 6 mph becoming calm in the evening. 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
    Partly Cloudy

  • Sunday

    Sunday: Increasing clouds, with a high near 80. Calm wind becoming west 5 to 7 mph in the morning.

    High: 80 °F

    Increasing
    Clouds

  • Sunday Night

    Sunday Night: A chance of showers, then showers and possibly a thunderstorm after 2am. Low around 60. Calm wind becoming east 5 to 7 mph after midnight. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 60 °F

    Chance
    Showers then
    Showers

  • Monday

    Monday: Showers and possibly a thunderstorm. High near 77. Southeast wind around 11 mph becoming west in the afternoon. Chance of precipitation is 90%. New rainfall amounts between three quarters and one inch possible.

    High: 77 °F

    Showers

  • Monday Night

    Monday Night: Showers likely, mainly before 8pm. Mostly cloudy, with a low around 57. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 57 °F

    Showers
    Likely then
    Slight Chance
    Showers

  • Tuesday

    Tuesday: Mostly sunny, with a high near 78.

    High: 78 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 54.

    Low: 54 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 79.

    High: 79 °F

    Sunny

Detailed Forecast

Today
A chance of showers and thunderstorms after 2pm. Increasing clouds, with a high near 77. West wind 5 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
A chance of showers and thunderstorms, mainly before 7pm. Partly cloudy, with a low around 56. West wind around 6 mph becoming calm in the evening. 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 80. Calm wind becoming west 5 to 7 mph in the morning.
Sunday Night
A chance of showers, then showers and possibly a thunderstorm after 2am. Low around 60. Calm wind becoming east 5 to 7 mph after midnight. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Monday
Showers and possibly a thunderstorm. High near 77. Southeast wind around 11 mph becoming west in the afternoon. Chance of precipitation is 90%. New rainfall amounts between three quarters and one inch possible.
Monday Night
Showers likely, mainly before 8pm. Mostly cloudy, with a low around 57. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Tuesday
Mostly sunny, with a high near 78.
Tuesday Night
Mostly clear, with a low around 54.
Wednesday
Sunny, with a high near 79.
Wednesday Night
Partly cloudy, with a low around 58.
Thursday
A chance of showers and thunderstorms. Mostly sunny, with a high near 81. Chance of precipitation is 40%.
Thursday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 59. Chance of precipitation is 30%.
Friday
A chance of showers and thunderstorms. Partly sunny, with a high near 80. Chance of precipitation is 50%.
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ABOUT THIS FORECAST

 
Point Forecast:
Harrison Township PA
 40.63°N 79.72°W (Elev. 997 ft)
Last Update:
7:01 am EDT Jun 20, 2026
Forecast Valid:
7am EDT Jun 20, 2026-6pm EDT Jun 26, 2026
 
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