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

39°F

4°C

Humidity 89%
Wind Speed Calm
Barometer 30.10 in (1020.6 mb)
Dewpoint 36°F (2°C)
Visibility 10.00 mi
Last update 9 Nov 8:56 pm EST
Extended Forecast for

Portersville PA

  • Tonight

    Tonight: Mostly cloudy, with a low around 33. Calm wind becoming southwest around 5 mph after midnight.

    Low: 33 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 61. Southwest wind 7 to 10 mph becoming west in the afternoon. Winds could gust as high as 21 mph.

    High: 61 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 32. Calm wind.

    Low: 32 °F

    Mostly Clear

  • Veterans Day

    Veterans Day: Mostly cloudy, with a high near 58. Light and variable wind.

    High: 58 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: A chance of rain after 1am. Mostly cloudy, with a low around 40. Calm wind becoming southeast around 5 mph after midnight. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 40 °F

    Mostly Cloudy
    then Chance
    Rain

  • Thursday

    Thursday: Rain likely. Mostly cloudy, with a high near 52. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    High: 52 °F

    Rain Likely

  • Thursday Night

    Thursday Night: Rain likely before 4am, then a chance of rain and snow. Mostly cloudy, with a low around 30. Chance of precipitation is 60%.

    Low: 30 °F

    Rain Likely
    then
    Rain/Snow
    Likely

  • Friday

    Friday: A chance of rain and snow before 1pm, then a chance of rain. Mostly cloudy, with a high near 41. Chance of precipitation is 50%.

    High: 41 °F

    Chance
    Rain/Snow

  • Friday Night

    Friday Night: A chance of rain and snow before 1am. Mostly cloudy, with a low around 27. Chance of precipitation is 30%.

    Low: 27 °F

    Chance
    Rain/Snow

Detailed Forecast

Tonight
Mostly cloudy, with a low around 33. Calm wind becoming southwest around 5 mph after midnight.
Tuesday
Sunny, with a high near 61. Southwest wind 7 to 10 mph becoming west in the afternoon. Winds could gust as high as 21 mph.
Tuesday Night
Mostly clear, with a low around 32. Calm wind.
Veterans Day
Mostly cloudy, with a high near 58. Light and variable wind.
Wednesday Night
A chance of rain after 1am. Mostly cloudy, with a low around 40. Calm wind becoming southeast around 5 mph after midnight. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Thursday
Rain likely. Mostly cloudy, with a high near 52. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Thursday Night
Rain likely before 4am, then a chance of rain and snow. Mostly cloudy, with a low around 30. Chance of precipitation is 60%.
Friday
A chance of rain and snow before 1pm, then a chance of rain. Mostly cloudy, with a high near 41. Chance of precipitation is 50%.
Friday Night
A chance of rain and snow before 1am. Mostly cloudy, with a low around 27. Chance of precipitation is 30%.
Saturday
Mostly cloudy, with a high near 42.
Saturday Night
Mostly cloudy, with a low around 28.
Sunday
Partly sunny, with a high near 46.
Sunday Night
Mostly cloudy, with a low around 29.
Monday
Mostly sunny, with a high near 52.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Portersville PA
 40.93°N 80.12°W (Elev. 1299 ft)
Last Update:
5:51 pm EST Nov 9, 2026
Forecast Valid:
9pm EST Nov 9, 2026-6pm EST Nov 16, 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