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

42°F

6°C

Humidity 41%
Wind Speed SE 6 mph
Barometer 30.34 in (1028.4 mb)
Dewpoint 20°F (-7°C)
Visibility 10.00 mi
Wind Chill38°F (3°C)
Last update 9 Apr 4:56 am EDT
Extended Forecast for

Mc Grann PA

  • Today

    Today: Sunny, with a high near 72. Light and variable wind becoming south 5 to 9 mph in the morning.

    High: 72 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 48. South wind around 5 mph becoming calm in the evening.

    Low: 48 °F

    Partly Cloudy

  • Friday

    Friday: A chance of showers after 2pm. Increasing clouds, with a high near 74. South wind 5 to 11 mph, with gusts as high as 23 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    High: 74 °F

    Mostly Sunny
    then Chance
    Showers

  • Friday Night

    Friday Night: A chance of showers before 2am. Mostly cloudy, with a low around 42. Northwest wind around 6 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 42 °F

    Chance
    Showers

  • Saturday

    Saturday: Sunny, with a high near 63. North wind 3 to 5 mph.

    High: 63 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 41.

    Low: 41 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 77.

    High: 77 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 60.

    Low: 60 °F

    Mostly Cloudy

  • Monday

    Monday: A chance of showers after 2pm. Mostly cloudy, with a high near 76. Chance of precipitation is 30%.

    High: 76 °F

    Mostly Cloudy
    then Chance
    Showers

Detailed Forecast

Today
Sunny, with a high near 72. Light and variable wind becoming south 5 to 9 mph in the morning.
Tonight
Partly cloudy, with a low around 48. South wind around 5 mph becoming calm in the evening.
Friday
A chance of showers after 2pm. Increasing clouds, with a high near 74. South wind 5 to 11 mph, with gusts as high as 23 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Friday Night
A chance of showers before 2am. Mostly cloudy, with a low around 42. Northwest wind around 6 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.
Saturday
Sunny, with a high near 63. North wind 3 to 5 mph.
Saturday Night
Partly cloudy, with a low around 41.
Sunday
Partly sunny, with a high near 77.
Sunday Night
Mostly cloudy, with a low around 60.
Monday
A chance of showers after 2pm. Mostly cloudy, with a high near 76. Chance of precipitation is 30%.
Monday Night
A chance of showers before 8pm, then a chance of showers after 2am. Mostly cloudy, with a low around 62. Chance of precipitation is 30%.
Tuesday
A chance of showers. Mostly cloudy, with a high near 82. Chance of precipitation is 40%.
Tuesday Night
A chance of showers. Mostly cloudy, with a low around 61. Chance of precipitation is 40%.
Wednesday
Showers likely. Mostly cloudy, with a high near 77. Chance of precipitation is 60%.
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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:
2:21 am EDT Apr 9, 2026
Forecast Valid:
5am EDT Apr 9, 2026-6pm EDT Apr 15, 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