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

52°F

11°C

Humidity 59%
Wind Speed W 6 mph
Barometer 30.04 in (1018.2 mb)
Dewpoint 38°F (3°C)
Visibility 10.00 mi
Wind Chill50°F (10°C)
Last update 1 Nov 2:56 pm EDT
Extended Forecast for

Mc Grann PA

  • This Afternoon

    This Afternoon: Partly sunny, with a high near 56. West wind around 9 mph.

    High: 56 °F

    Partly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 34. Calm wind.

    Low: 34 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 60. Light and variable wind.

    High: 60 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Patchy fog after 11pm. Otherwise, mostly clear, with a low around 36. Calm wind.

    Low: 36 °F

    Patchy Fog

  • Monday

    Monday: Patchy frost before 9am. Otherwise, sunny, with a high near 60. Light south wind becoming southwest 8 to 13 mph in the morning.

    High: 60 °F

    Patchy Frost
    then Mostly
    Sunny

  • Monday Night

    Monday Night: Patchy frost after 5am. Otherwise, mostly clear, with a low around 34.

    Low: 34 °F

    Mostly Clear
    then Patchy
    Frost

  • Tuesday

    Tuesday: Patchy frost before 9am. Otherwise, sunny, with a high near 58.

    High: 58 °F

    Patchy Frost
    then Sunny

  • Tuesday Night

    Tuesday Night: Patchy frost after 5am. Otherwise, partly cloudy, with a low around 36.

    Low: 36 °F

    Partly Cloudy
    then Patchy
    Frost

  • Wednesday

    Wednesday: A chance of rain after 2pm. Patchy frost before 9am. Otherwise, partly sunny, with a high near 60. Chance of precipitation is 30%.

    High: 60 °F

    Patchy Frost
    then Chance
    Rain

Detailed Forecast

This Afternoon
Partly sunny, with a high near 56. West wind around 9 mph.
Tonight
Mostly cloudy, with a low around 34. Calm wind.
Sunday
Mostly sunny, with a high near 60. Light and variable wind.
Sunday Night
Patchy fog after 11pm. Otherwise, mostly clear, with a low around 36. Calm wind.
Monday
Patchy frost before 9am. Otherwise, sunny, with a high near 60. Light south wind becoming southwest 8 to 13 mph in the morning.
Monday Night
Patchy frost after 5am. Otherwise, mostly clear, with a low around 34.
Tuesday
Patchy frost before 9am. Otherwise, sunny, with a high near 58.
Tuesday Night
Patchy frost after 5am. Otherwise, partly cloudy, with a low around 36.
Wednesday
A chance of rain after 2pm. Patchy frost before 9am. Otherwise, partly sunny, with a high near 60. Chance of precipitation is 30%.
Wednesday Night
A chance of rain. Mostly cloudy, with a low around 36. Chance of precipitation is 40%.
Thursday
Patchy frost. Otherwise, mostly sunny, with a high near 54.
Thursday Night
Patchy frost. Otherwise, mostly cloudy, with a low around 33.
Friday
A chance of rain. Mostly cloudy, with a high near 62. Chance of precipitation is 40%.
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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:
2:17 pm EDT Nov 1, 2025
Forecast Valid:
3pm EDT Nov 1, 2025-6pm EST Nov 7, 2025
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation