National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Pittsburgh/Butler Regional Airport (KBTP)

Lat: 40.78°NLon: 79.96°WElev: 1248ft.

Thunderstorm Rain

55°F

13°C

Humidity 100%
Wind Speed Calm
Barometer 29.74 in (1007.6 mb)
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 13 May 3:56 pm EDT
Extended Forecast for

Portersville PA

  • This Afternoon

    This Afternoon: A slight chance of showers and thunderstorms before 5pm. Mostly sunny, with a high near 67. West wind around 13 mph. Chance of precipitation is 20%.

    High: 67 °F

    Slight Chance
    T-storms

  • Tonight

    Tonight: A chance of showers, mainly between 10pm and 4am. Mostly cloudy, with a low around 41. Northwest wind 5 to 9 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 41 °F

    Chance
    Showers

  • Thursday

    Thursday: A chance of showers before 2pm, then a slight chance of showers after 3pm. Mostly cloudy, with a high near 54. Northwest wind 9 to 11 mph, with gusts as high as 22 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.

    High: 54 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: Mostly cloudy during the early evening, then gradual clearing, with a low around 41. Northwest wind 5 to 8 mph.

    Low: 41 °F

    Gradual
    Clearing

  • Friday

    Friday: Mostly sunny, with a high near 69. Northwest wind 3 to 6 mph.

    High: 69 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 50.

    Low: 50 °F

    Mostly Cloudy

  • Saturday

    Saturday: A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 80. Chance of precipitation is 50%.

    High: 80 °F

    Mostly Sunny
    then Chance
    T-storms

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms before 8pm, then showers likely and possibly a thunderstorm between 8pm and 2am, then showers likely after 2am. Mostly cloudy, with a low around 61. Chance of precipitation is 70%.

    Low: 61 °F

    Showers
    Likely

  • Sunday

    Sunday: A chance of showers, with thunderstorms also possible after 2pm. Partly sunny, with a high near 82. Chance of precipitation is 30%.

    High: 82 °F

    Chance
    Showers then
    Chance
    T-storms

Detailed Forecast

This Afternoon
A slight chance of showers and thunderstorms before 5pm. Mostly sunny, with a high near 67. West wind around 13 mph. Chance of precipitation is 20%.
Tonight
A chance of showers, mainly between 10pm and 4am. Mostly cloudy, with a low around 41. Northwest wind 5 to 9 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Thursday
A chance of showers before 2pm, then a slight chance of showers after 3pm. Mostly cloudy, with a high near 54. Northwest wind 9 to 11 mph, with gusts as high as 22 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.
Thursday Night
Mostly cloudy during the early evening, then gradual clearing, with a low around 41. Northwest wind 5 to 8 mph.
Friday
Mostly sunny, with a high near 69. Northwest wind 3 to 6 mph.
Friday Night
Mostly cloudy, with a low around 50.
Saturday
A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 80. Chance of precipitation is 50%.
Saturday Night
A chance of showers and thunderstorms before 8pm, then showers likely and possibly a thunderstorm between 8pm and 2am, then showers likely after 2am. Mostly cloudy, with a low around 61. Chance of precipitation is 70%.
Sunday
A chance of showers, with thunderstorms also possible after 2pm. Partly sunny, with a high near 82. Chance of precipitation is 30%.
Sunday Night
A chance of thunderstorms before 8pm. Partly cloudy, with a low around 62. Chance of precipitation is 30%.
Monday
Mostly sunny, with a high near 87.
Monday Night
Mostly clear, with a low around 67.
Tuesday
A chance of showers and thunderstorms. Mostly sunny, with a high near 87. 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:
2:21 pm EDT May 13, 2026
Forecast Valid:
4pm EDT May 13, 2026-6pm EDT May 19, 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