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.

Overcast

33°F

1°C

Humidity 49%
Wind Speed S 5 mph
Barometer 30.20 in (1024.7 mb)
Dewpoint 16°F (-9°C)
Visibility 10.00 mi
Wind Chill28°F (-2°C)
Last update 18 Mar 9:56 pm EDT
Extended Forecast for

3 Miles NE Portersville PA

  • Tonight

    Tonight: Mostly cloudy, with a low around 30. South wind around 6 mph.

    Low: 30 °F

    Mostly Cloudy

  • Thursday

    Thursday: A slight chance of rain before 3pm, then a slight chance of rain after 5pm. Mostly cloudy, with a high near 49. South wind around 6 mph. Chance of precipitation is 20%.

    High: 49 °F

    Mostly Cloudy
    then Slight
    Chance Rain

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 31. Calm wind.

    Low: 31 °F

    Mostly Cloudy

  • Friday

    Friday: A chance of rain, mainly after 2pm. Mostly cloudy, with a high near 59. Southwest wind 3 to 8 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.

    High: 59 °F

    Slight Chance
    Rain then
    Chance Rain

  • Friday Night

    Friday Night: A chance of rain, mainly before 2am. Mostly cloudy, with a low around 41. Southwest wind around 6 mph. Chance of precipitation is 50%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 41 °F

    Chance Rain

  • Saturday

    Saturday: Partly sunny, with a high near 62.

    High: 62 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 44.

    Low: 44 °F

    Mostly Cloudy

  • Sunday

    Sunday: A chance of rain. Partly sunny, with a high near 67. Chance of precipitation is 40%.

    High: 67 °F

    Chance Rain

  • Sunday Night

    Sunday Night: A chance of rain before 2am. Mostly cloudy, with a low around 31. Chance of precipitation is 30%.

    Low: 31 °F

    Chance Rain

Detailed Forecast

Tonight
Mostly cloudy, with a low around 30. South wind around 6 mph.
Thursday
A slight chance of rain before 3pm, then a slight chance of rain after 5pm. Mostly cloudy, with a high near 49. South wind around 6 mph. Chance of precipitation is 20%.
Thursday Night
Mostly cloudy, with a low around 31. Calm wind.
Friday
A chance of rain, mainly after 2pm. Mostly cloudy, with a high near 59. Southwest wind 3 to 8 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.
Friday Night
A chance of rain, mainly before 2am. Mostly cloudy, with a low around 41. Southwest wind around 6 mph. Chance of precipitation is 50%. New precipitation amounts between a tenth and quarter of an inch possible.
Saturday
Partly sunny, with a high near 62.
Saturday Night
Mostly cloudy, with a low around 44.
Sunday
A chance of rain. Partly sunny, with a high near 67. Chance of precipitation is 40%.
Sunday Night
A chance of rain before 2am. Mostly cloudy, with a low around 31. Chance of precipitation is 30%.
Monday
Partly sunny, with a high near 44.
Monday Night
Partly cloudy, with a low around 25.
Tuesday
Partly sunny, with a high near 49.
Tuesday Night
Mostly cloudy, with a low around 29.
Wednesday
Partly sunny, with a high near 53.
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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:
6:36 pm EDT Mar 18, 2026
Forecast Valid:
10pm EDT Mar 18, 2026-6pm EDT Mar 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