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

66°F

19°C

Humidity 32%
Wind Speed SW 12 mph
Barometer 30.03 in (1018.0 mb)
Dewpoint 35°F (2°C)
Visibility 10.00 mi
Last update 21 Apr 4:56 pm EDT
Extended Forecast for

3 Miles NE Portersville PA

  • Tonight

    Tonight: Showers likely, mainly after 2am. Mostly cloudy, with a low around 52. South wind 6 to 8 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 52 °F

    Mostly Cloudy
    then Showers
    Likely

  • Wednesday

    Wednesday: A slight chance of showers before 10am, then a slight chance of showers after 1pm. Partly sunny, with a high near 72. West wind 6 to 8 mph. Chance of precipitation is 20%.

    High: 72 °F

    Slight Chance
    Showers

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 46. Northwest wind around 5 mph becoming calm in the evening.

    Low: 46 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 76. Calm wind becoming west around 5 mph in the afternoon.

    High: 76 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 52. Calm wind.

    Low: 52 °F

    Partly Cloudy

  • Friday

    Friday: A slight chance of showers, then a chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 76. Chance of precipitation is 40%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 76 °F

    Chance
    Showers

  • Friday Night

    Friday Night: Showers likely, mainly after 8pm. Mostly cloudy, with a low around 54. Chance of precipitation is 70%.

    Low: 54 °F

    Showers
    Likely

  • Saturday

    Saturday: Showers likely. Mostly cloudy, with a high near 65. Chance of precipitation is 70%.

    High: 65 °F

    Showers
    Likely

  • Saturday Night

    Saturday Night: A chance of showers before 2am. Mostly cloudy, with a low around 45. Chance of precipitation is 30%.

    Low: 45 °F

    Chance
    Showers

Detailed Forecast

Tonight
Showers likely, mainly after 2am. Mostly cloudy, with a low around 52. South wind 6 to 8 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday
A slight chance of showers before 10am, then a slight chance of showers after 1pm. Partly sunny, with a high near 72. West wind 6 to 8 mph. Chance of precipitation is 20%.
Wednesday Night
Partly cloudy, with a low around 46. Northwest wind around 5 mph becoming calm in the evening.
Thursday
Mostly sunny, with a high near 76. Calm wind becoming west around 5 mph in the afternoon.
Thursday Night
Partly cloudy, with a low around 52. Calm wind.
Friday
A slight chance of showers, then a chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 76. Chance of precipitation is 40%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday Night
Showers likely, mainly after 8pm. Mostly cloudy, with a low around 54. Chance of precipitation is 70%.
Saturday
Showers likely. Mostly cloudy, with a high near 65. Chance of precipitation is 70%.
Saturday Night
A chance of showers before 2am. Mostly cloudy, with a low around 45. Chance of precipitation is 30%.
Sunday
Partly sunny, with a high near 64.
Sunday Night
Partly cloudy, with a low around 43.
Monday
A chance of showers. Mostly sunny, with a high near 72. Chance of precipitation is 30%.
Monday Night
A chance of showers. Mostly cloudy, with a low around 49. Chance of precipitation is 50%.
Tuesday
Showers likely. Mostly cloudy, with a high near 67. Chance of precipitation is 60%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NE Portersville PA
 40.97°N 80.11°W (Elev. 1198 ft)
Last Update:
2:21 pm EDT Apr 21, 2026
Forecast Valid:
5pm EDT Apr 21, 2026-6pm EDT Apr 28, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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