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.

N/A

Humidity NA
Wind Speed NA
Barometer NA
Dewpoint N/A
Visibility NA
Last update *** Not a current observation ***
Extended Forecast for

Mc Grann PA

  • Today

    Today: Isolated showers before 2pm, then isolated showers and thunderstorms between 2pm and 3pm. Mostly sunny, with a high near 88. Calm wind. Chance of precipitation is 20%.

    High: 88 °F

    Partly Sunny
    then Isolated
    T-storms

  • Tonight

    Tonight: Patchy fog after midnight. Otherwise, partly cloudy, with a low around 67. Calm wind.

    Low: 67 °F

    Partly Cloudy
    then Patchy
    Fog

  • Thursday

    Thursday: Scattered showers and thunderstorms, mainly before 4pm. Patchy fog before 10am. Otherwise, partly sunny, with a high near 88. Calm wind becoming west 5 to 7 mph in the afternoon. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 88 °F

    Scattered
    T-storms and
    Patchy Fog

  • Thursday Night

    Thursday Night: A slight chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 2am, then a chance of showers and thunderstorms after 2am. Mostly cloudy, with a low around 67. Light southwest wind. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 67 °F

    Slight Chance
    T-storms then
    Chance
    Showers

  • Friday

    Friday: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 8am. High near 83. Southwest wind 5 to 7 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    High: 83 °F

    Showers

  • Friday Night

    Friday Night: A slight chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 2am. Mostly cloudy, with a low around 63. Chance of precipitation is 20%.

    Low: 63 °F

    Slight Chance
    T-storms then
    Slight Chance
    Showers

  • Saturday

    Saturday: Mostly sunny, with a high near 85.

    High: 85 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 61.

    Low: 61 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 86.

    High: 86 °F

    Mostly Sunny

Detailed Forecast

Today
Isolated showers before 2pm, then isolated showers and thunderstorms between 2pm and 3pm. Mostly sunny, with a high near 88. Calm wind. Chance of precipitation is 20%.
Tonight
Patchy fog after midnight. Otherwise, partly cloudy, with a low around 67. Calm wind.
Thursday
Scattered showers and thunderstorms, mainly before 4pm. Patchy fog before 10am. Otherwise, partly sunny, with a high near 88. Calm wind becoming west 5 to 7 mph in the afternoon. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday Night
A slight chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 2am, then a chance of showers and thunderstorms after 2am. Mostly cloudy, with a low around 67. Light southwest wind. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 8am. High near 83. Southwest wind 5 to 7 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Friday Night
A slight chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 2am. Mostly cloudy, with a low around 63. Chance of precipitation is 20%.
Saturday
Mostly sunny, with a high near 85.
Saturday Night
Partly cloudy, with a low around 61.
Sunday
Mostly sunny, with a high near 86.
Sunday Night
Partly cloudy, with a low around 63.
Monday
Mostly sunny, with a high near 87.
Monday Night
Mostly clear, with a low around 64.
Tuesday
Sunny, with a high near 89.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Mc Grann PA
 40.77°N 79.53°W (Elev. 801 ft)
Last Update:
7:01 am EDT Jul 8, 2026
Forecast Valid:
10am EDT Jul 8, 2026-6pm EDT Jul 14, 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