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.

Mostly Cloudy

48°F

9°C

Humidity 61%
Wind Speed W 12 mph
Barometer 29.97 in (1016.1 mb)
Dewpoint 35°F (2°C)
Visibility 10.00 mi
Wind Chill43°F (6°C)
Last update 22 Nov 12:56 pm EST
Extended Forecast for

Portersville PA

  • This Afternoon

    This Afternoon: Partly sunny, with a high near 48. Northwest wind around 6 mph.

    High: 48 °F

    Partly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 28. Calm wind becoming southwest around 5 mph after midnight.

    Low: 28 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly cloudy, with a high near 49. Southwest wind 7 to 11 mph becoming west in the afternoon. Winds could gust as high as 25 mph.

    High: 49 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 26. West wind around 6 mph becoming calm after midnight.

    Low: 26 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 50. Calm wind becoming south around 5 mph.

    High: 50 °F

    Mostly Sunny

  • Monday Night

    Monday Night: A chance of rain after 1am. Mostly cloudy, with a low around 35. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 35 °F

    Mostly Cloudy
    then Chance
    Rain

  • Tuesday

    Tuesday: Rain. High near 55. Chance of precipitation is 90%.

    High: 55 °F

    Rain

  • Tuesday Night

    Tuesday Night: Rain likely. Cloudy, with a low around 45. Chance of precipitation is 70%.

    Low: 45 °F

    Rain Likely

  • Wednesday

    Wednesday: Rain likely, mainly before 1pm. Mostly cloudy, with a high near 55. Chance of precipitation is 60%.

    High: 55 °F

    Rain Likely

Detailed Forecast

This Afternoon
Partly sunny, with a high near 48. Northwest wind around 6 mph.
Tonight
Mostly cloudy, with a low around 28. Calm wind becoming southwest around 5 mph after midnight.
Sunday
Mostly cloudy, with a high near 49. Southwest wind 7 to 11 mph becoming west in the afternoon. Winds could gust as high as 25 mph.
Sunday Night
Mostly clear, with a low around 26. West wind around 6 mph becoming calm after midnight.
Monday
Mostly sunny, with a high near 50. Calm wind becoming south around 5 mph.
Monday Night
A chance of rain after 1am. Mostly cloudy, with a low around 35. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Tuesday
Rain. High near 55. Chance of precipitation is 90%.
Tuesday Night
Rain likely. Cloudy, with a low around 45. Chance of precipitation is 70%.
Wednesday
Rain likely, mainly before 1pm. Mostly cloudy, with a high near 55. Chance of precipitation is 60%.
Wednesday Night
A chance of showers before 1am. Mostly cloudy, with a low around 26. Chance of precipitation is 30%.
Thanksgiving Day
A chance of snow showers. Mostly cloudy, with a high near 33. Chance of precipitation is 30%.
Thursday Night
A chance of snow showers. Mostly cloudy, with a low around 22. Chance of precipitation is 30%.
Friday
A chance of snow showers. Mostly cloudy, with a high near 34. Chance of precipitation is 30%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Portersville PA
 40.93°N 80.14°W (Elev. 1296 ft)
Last Update:
12:36 pm EST Nov 22, 2025
Forecast Valid:
1pm EST Nov 22, 2025-6pm EST Nov 28, 2025
 
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