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Hazardous Weather Conditions

Current conditions at

Pittsburgh/Butler Regional Airport (KBTP)

Lat: 40.78°NLon: 79.96°WElev: 1248ft.

A Few Clouds

85°F

29°C

Humidity 46%
Wind Speed SW 15 G 21 mph
Barometer 30.15 in (1020.7 mb)
Dewpoint 62°F (17°C)
Visibility 10.00 mi
Heat Index86°F (30°C)
Last update 18 May 12:56 pm EDT
Extended Forecast for

Portersville PA

  • This Afternoon

    This Afternoon: Sunny, with a high near 88. Southwest wind around 10 mph, with gusts as high as 21 mph.

    High: 88 °F

    Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 66. South wind around 6 mph.

    Low: 66 °F

    Increasing
    Clouds

  • Tuesday

    Tuesday: A slight chance of showers and thunderstorms between 11am and 2pm. Mostly sunny, with a high near 87. South wind 7 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 20%.

    High: 87 °F

    Slight Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Showers and thunderstorms likely. Increasing clouds, with a low around 62. South wind 6 to 8 mph becoming west after midnight. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 62 °F

    T-storms
    Likely

  • Wednesday

    Wednesday: Showers likely before 8am, then showers likely and possibly a thunderstorm between 8am and 2pm, then a slight chance of showers and thunderstorms after 2pm. Mostly cloudy, with a high near 70. Northwest wind 8 to 10 mph. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 70 °F

    Showers
    Likely

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 43.

    Low: 43 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 67.

    High: 67 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 49.

    Low: 49 °F

    Mostly Cloudy

  • Friday

    Friday: Showers likely, mainly after 2pm. Mostly cloudy, with a high near 68. Chance of precipitation is 60%.

    High: 68 °F

    Showers
    Likely

Detailed Forecast

This Afternoon
Sunny, with a high near 88. Southwest wind around 10 mph, with gusts as high as 21 mph.
Tonight
Increasing clouds, with a low around 66. South wind around 6 mph.
Tuesday
A slight chance of showers and thunderstorms between 11am and 2pm. Mostly sunny, with a high near 87. South wind 7 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 20%.
Tuesday Night
Showers and thunderstorms likely. Increasing clouds, with a low around 62. South wind 6 to 8 mph becoming west after midnight. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday
Showers likely before 8am, then showers likely and possibly a thunderstorm between 8am and 2pm, then a slight chance of showers and thunderstorms after 2pm. Mostly cloudy, with a high near 70. Northwest wind 8 to 10 mph. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
Mostly cloudy, with a low around 43.
Thursday
Mostly sunny, with a high near 67.
Thursday Night
Mostly cloudy, with a low around 49.
Friday
Showers likely, mainly after 2pm. Mostly cloudy, with a high near 68. Chance of precipitation is 60%.
Friday Night
Showers, with thunderstorms also possible after 2am. Low around 53. Chance of precipitation is 90%.
Saturday
Showers and possibly a thunderstorm. High near 71. Chance of precipitation is 80%.
Saturday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 58. Chance of precipitation is 70%.
Sunday
Showers likely. Mostly cloudy, with a high near 78. Chance of precipitation is 60%.
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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:
12:31 pm EDT May 18, 2026
Forecast Valid:
1pm EDT May 18, 2026-6pm EDT May 24, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation