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.

Fair

76°F

24°C

Humidity 55%
Wind Speed Calm
Barometer 30.24 in (1024.1 mb)
Dewpoint 58°F (14°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 10 Aug 9:55 am EDT
Extended Forecast for

Grantville PA

  • Today

    Today: Sunny, with a high near 87. Calm wind becoming southeast around 5 mph in the afternoon.

    High: 87 °F

    Sunny

  • Tonight

    Tonight: Clear, with a low around 59. Light and variable wind.

    Low: 59 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 88. Calm wind becoming south around 6 mph in the afternoon.

    High: 88 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 64. Southeast wind around 5 mph becoming calm in the evening.

    Low: 64 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 91. Calm wind becoming south around 6 mph in the afternoon.

    High: 91 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 69.

    Low: 69 °F

    Mostly Clear

  • Wednesday

    Wednesday: A chance of showers and thunderstorms after 2pm. Mostly sunny and hot, with a high near 93. Chance of precipitation is 50%.

    High: 93 °F

    Mostly Sunny
    then Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 70. Chance of precipitation is 30%.

    Low: 70 °F

    Chance
    T-storms

  • Thursday

    Thursday: A chance of showers after 2pm. Partly sunny, with a high near 88. Chance of precipitation is 40%.

    High: 88 °F

    Partly Sunny
    then Chance
    Showers

Detailed Forecast

Today
Sunny, with a high near 87. Calm wind becoming southeast around 5 mph in the afternoon.
Tonight
Clear, with a low around 59. Light and variable wind.
Monday
Sunny, with a high near 88. Calm wind becoming south around 6 mph in the afternoon.
Monday Night
Mostly clear, with a low around 64. Southeast wind around 5 mph becoming calm in the evening.
Tuesday
Sunny, with a high near 91. Calm wind becoming south around 6 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 69.
Wednesday
A chance of showers and thunderstorms after 2pm. Mostly sunny and hot, with a high near 93. Chance of precipitation is 50%.
Wednesday Night
A chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 70. Chance of precipitation is 30%.
Thursday
A chance of showers after 2pm. Partly sunny, with a high near 88. Chance of precipitation is 40%.
Thursday Night
A chance of showers before 8pm. Partly cloudy, with a low around 68. Chance of precipitation is 30%.
Friday
A chance of showers. Mostly sunny, with a high near 88. Chance of precipitation is 30%.
Friday Night
A chance of showers. Partly cloudy, with a low around 68. Chance of precipitation is 30%.
Saturday
A chance of showers. Mostly sunny, with a high near 89. Chance of precipitation is 40%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Grantville PA
 40.39°N 76.68°W (Elev. 499 ft)
Last Update:
7:36 am EDT Aug 10, 2025
Forecast Valid:
10am EDT Aug 10, 2025-6pm EDT Aug 16, 2025
 
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