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 100%
Wind Speed Calm
Barometer 29.88 in (1011.6 mb)
Dewpoint 56°F (13°C)
Visibility 10.00 mi
Last update 19 Jun 6:56 am EDT
Extended Forecast for

4 Miles ENE Portersville PA

  • Juneteenth

    Juneteenth: A slight chance of showers between 2pm and 3pm. Mostly sunny, with a high near 75. Light west wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 22 mph. Chance of precipitation is 20%.

    High: 75 °F

    Sunny then
    Slight Chance
    Showers

  • Tonight

    Tonight: Mostly clear, with a low around 54. West wind 3 to 6 mph.

    Low: 54 °F

    Mostly Clear

  • Saturday

    Saturday: A chance of showers and thunderstorms, mainly between 4pm and 5pm. Mostly sunny, with a high near 76. West wind 5 to 8 mph. Chance of precipitation is 30%.

    High: 76 °F

    Mostly Sunny
    then Chance
    T-storms

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms, mainly before 7pm. Partly cloudy, with a low around 55. Light west wind. Chance of precipitation is 30%.

    Low: 55 °F

    Chance
    T-storms then
    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 79. Calm wind becoming west around 6 mph in the afternoon.

    High: 79 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Showers likely, then showers and possibly a thunderstorm after 2am. Low around 59. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 59 °F

    Showers
    Likely then
    Showers

  • Monday

    Monday: Showers and possibly a thunderstorm before 8am, then showers between 8am and 2pm, then showers likely and possibly a thunderstorm after 2pm. High near 76. Chance of precipitation is 80%.

    High: 76 °F

    Showers

  • Monday Night

    Monday Night: Showers likely and possibly a thunderstorm before 8pm, then a chance of showers between 8pm and 2am. Mostly cloudy, with a low around 55. Chance of precipitation is 60%.

    Low: 55 °F

    Showers
    Likely then
    Chance
    Showers

  • Tuesday

    Tuesday: Mostly sunny, with a high near 76.

    High: 76 °F

    Mostly Sunny

Detailed Forecast

Juneteenth
A slight chance of showers between 2pm and 3pm. Mostly sunny, with a high near 75. Light west wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 22 mph. Chance of precipitation is 20%.
Tonight
Mostly clear, with a low around 54. West wind 3 to 6 mph.
Saturday
A chance of showers and thunderstorms, mainly between 4pm and 5pm. Mostly sunny, with a high near 76. West wind 5 to 8 mph. Chance of precipitation is 30%.
Saturday Night
A chance of showers and thunderstorms, mainly before 7pm. Partly cloudy, with a low around 55. Light west wind. Chance of precipitation is 30%.
Sunday
Mostly sunny, with a high near 79. Calm wind becoming west around 6 mph in the afternoon.
Sunday Night
Showers likely, then showers and possibly a thunderstorm after 2am. Low around 59. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Monday
Showers and possibly a thunderstorm before 8am, then showers between 8am and 2pm, then showers likely and possibly a thunderstorm after 2pm. High near 76. Chance of precipitation is 80%.
Monday Night
Showers likely and possibly a thunderstorm before 8pm, then a chance of showers between 8pm and 2am. Mostly cloudy, with a low around 55. Chance of precipitation is 60%.
Tuesday
Mostly sunny, with a high near 76.
Tuesday Night
Partly cloudy, with a low around 54.
Wednesday
Mostly sunny, with a high near 78.
Wednesday Night
A chance of showers. Partly cloudy, with a low around 57. Chance of precipitation is 30%.
Thursday
A chance of showers and thunderstorms. Partly sunny, with a high near 79. Chance of precipitation is 50%.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles ENE Portersville PA
 40.95°N 80.08°W (Elev. 1198 ft)
Last Update:
6:51 am EDT Jun 19, 2026
Forecast Valid:
7am EDT Jun 19, 2026-6pm EDT Jun 25, 2026
 
Forecast Discussion
 
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Additional Resources

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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