National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Muir Army Air Field / Indiantown (KMUI)

Lat: 40.44°NLon: 76.56°WElev: 476ft.

Overcast

28°F

-2°C

Humidity 46%
Wind Speed W 9 mph
Barometer 29.83 in (1011.1 mb)
Dewpoint 10°F (-12°C)
Visibility 10.00 mi
Wind Chill19°F (-7°C)
Last update 2 Jan 7:55 pm EST
Extended Forecast for

Grantville PA

  • Tonight

    Tonight: Partly cloudy, with a low around 19. West wind around 7 mph.

    Low: 19 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly cloudy, with a high near 31. Northwest wind 3 to 6 mph.

    High: 31 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: A slight chance of snow between 10pm and 1am. Cloudy, with a low around 24. Calm wind. Chance of precipitation is 20%.

    Low: 24 °F

    Slight Chance
    Snow

  • Sunday

    Sunday: Mostly sunny, with a high near 35. Northwest wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 35 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 20. Northwest wind 5 to 7 mph becoming calm after midnight.

    Low: 20 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly cloudy, with a high near 33.

    High: 33 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 26.

    Low: 26 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 43.

    High: 43 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 35.

    Low: 35 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 19. West wind around 7 mph.
Saturday
Mostly cloudy, with a high near 31. Northwest wind 3 to 6 mph.
Saturday Night
A slight chance of snow between 10pm and 1am. Cloudy, with a low around 24. Calm wind. Chance of precipitation is 20%.
Sunday
Mostly sunny, with a high near 35. Northwest wind 5 to 10 mph, with gusts as high as 20 mph.
Sunday Night
Mostly cloudy, with a low around 20. Northwest wind 5 to 7 mph becoming calm after midnight.
Monday
Mostly cloudy, with a high near 33.
Monday Night
Mostly cloudy, with a low around 26.
Tuesday
Mostly cloudy, with a high near 43.
Tuesday Night
Mostly cloudy, with a low around 35.
Wednesday
Mostly cloudy, with a high near 49.
Wednesday Night
Mostly cloudy, with a low around 33.
Thursday
Mostly cloudy, with a high near 49.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 39. Chance of precipitation is 30%.
Friday
A chance of showers. Mostly cloudy, with a high near 54. Chance of precipitation is 30%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Grantville PA
 40.39°N 76.7°W (Elev. 495 ft)
Last Update:
7:06 pm EST Jan 2, 2026
Forecast Valid:
8pm EST Jan 2, 2026-6pm EST Jan 9, 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