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

27°F

-3°C

Humidity 75%
Wind Speed SE 3 mph
Barometer 30.49 in (1034.5 mb)
Dewpoint 20°F (-7°C)
Visibility 10.00 mi
Last update 29 Mar 12:56 am EDT
Extended Forecast for

3 Miles ENE Portersville PA

  • Overnight

    Overnight: Mostly cloudy, with a low around 28. Light south wind.

    Low: 28 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 58. Southwest wind 3 to 7 mph.

    High: 58 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 44. South wind around 6 mph.

    Low: 44 °F

    Partly Cloudy

  • Monday

    Monday: A slight chance of rain after 2pm. Mostly cloudy, with a high near 65. Southwest wind 7 to 9 mph, with gusts as high as 21 mph. Chance of precipitation is 20%.

    High: 65 °F

    Partly Sunny
    then Slight
    Chance Rain

  • Monday Night

    Monday Night: A chance of rain and thunderstorms, then rain likely and possibly a thunderstorm after 2am. Mostly cloudy, with a low around 56. Southwest wind around 8 mph, with gusts as high as 21 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 56 °F

    Rain Likely

  • Tuesday

    Tuesday: Rain likely, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 75. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 75 °F

    Rain Likely

  • Tuesday Night

    Tuesday Night: A chance of rain and thunderstorms, then rain likely after 11pm. Mostly cloudy, with a low around 51. Chance of precipitation is 60%.

    Low: 51 °F

    Chance
    T-storms then
    Rain Likely

  • Wednesday

    Wednesday: Rain likely, mainly before 2pm. Mostly cloudy, with a high near 58. Chance of precipitation is 70%.

    High: 58 °F

    Rain Likely

  • Wednesday Night

    Wednesday Night: A chance of rain before 2am, then a chance of rain and snow. Mostly cloudy, with a low around 34. Chance of precipitation is 40%.

    Low: 34 °F

    Chance Rain
    then Chance
    Rain/Snow

Detailed Forecast

Overnight
Mostly cloudy, with a low around 28. Light south wind.
Sunday
Partly sunny, with a high near 58. Southwest wind 3 to 7 mph.
Sunday Night
Partly cloudy, with a low around 44. South wind around 6 mph.
Monday
A slight chance of rain after 2pm. Mostly cloudy, with a high near 65. Southwest wind 7 to 9 mph, with gusts as high as 21 mph. Chance of precipitation is 20%.
Monday Night
A chance of rain and thunderstorms, then rain likely and possibly a thunderstorm after 2am. Mostly cloudy, with a low around 56. Southwest wind around 8 mph, with gusts as high as 21 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tuesday
Rain likely, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 75. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday Night
A chance of rain and thunderstorms, then rain likely after 11pm. Mostly cloudy, with a low around 51. Chance of precipitation is 60%.
Wednesday
Rain likely, mainly before 2pm. Mostly cloudy, with a high near 58. Chance of precipitation is 70%.
Wednesday Night
A chance of rain before 2am, then a chance of rain and snow. Mostly cloudy, with a low around 34. Chance of precipitation is 40%.
Thursday
A chance of rain and snow before 2pm, then a chance of rain. Mostly cloudy, with a high near 58. Chance of precipitation is 50%.
Thursday Night
Rain likely. Mostly cloudy, with a low around 43. Chance of precipitation is 70%.
Friday
Rain likely. Mostly cloudy, with a high near 61. Chance of precipitation is 60%.
Friday Night
A chance of rain. Mostly cloudy, with a low around 48. Chance of precipitation is 40%.
Saturday
Rain likely. Mostly cloudy, with a high near 68. Chance of precipitation is 60%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles ENE Portersville PA
 40.95°N 80.08°W (Elev. 1198 ft)
Last Update:
12:11 am EDT Mar 29, 2026
Forecast Valid:
1am EDT Mar 29, 2026-6pm EDT Apr 4, 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