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.

Mostly Cloudy

66°F

19°C

Humidity 98%
Wind Speed Calm
Barometer 30.13 in
Dewpoint 65°F (18°C)
Visibility 10.00 mi
Last update 26 May 7:55 am EDT
Extended Forecast for

Grantville PA

  • Today

    Today: Areas of dense fog before 10am. Otherwise, partly sunny, with a high near 80. Light and variable wind.

    High: 80 °F

    Areas Dense
    Fog then
    Partly Sunny

  • Tonight

    Tonight: Scattered showers, mainly after 2am. Patchy fog before 4am, then patchy fog after 5am. Otherwise, cloudy, with a low around 62. Calm wind. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 62 °F

    Cloudy then
    Scattered
    Showers and
    Patchy Fog

  • Wednesday

    Wednesday: Scattered showers, mainly before 4pm. Areas of fog before 9am. Otherwise, cloudy, with a high near 81. Calm wind becoming west around 5 mph in the afternoon. Chance of precipitation is 40%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 81 °F

    Scattered
    Showers and
    Areas Fog
    then Cloudy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 59. Light northwest wind.

    Low: 59 °F

    Mostly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 76. North wind 10 to 14 mph, with gusts as high as 25 mph.

    High: 76 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 52.

    Low: 52 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 76.

    High: 76 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 52.

    Low: 52 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 72.

    High: 72 °F

    Sunny

Detailed Forecast

Today
Areas of dense fog before 10am. Otherwise, partly sunny, with a high near 80. Light and variable wind.
Tonight
Scattered showers, mainly after 2am. Patchy fog before 4am, then patchy fog after 5am. Otherwise, cloudy, with a low around 62. Calm wind. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday
Scattered showers, mainly before 4pm. Areas of fog before 9am. Otherwise, cloudy, with a high near 81. Calm wind becoming west around 5 mph in the afternoon. Chance of precipitation is 40%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday Night
Mostly cloudy, with a low around 59. Light northwest wind.
Thursday
Sunny, with a high near 76. North wind 10 to 14 mph, with gusts as high as 25 mph.
Thursday Night
Mostly clear, with a low around 52.
Friday
Sunny, with a high near 76.
Friday Night
Mostly clear, with a low around 52.
Saturday
Sunny, with a high near 72.
Saturday Night
Partly cloudy, with a low around 50.
Sunday
Mostly sunny, with a high near 72.
Sunday Night
Partly cloudy, with a low around 53.
Monday
Sunny, with a high near 75.
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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:
8:06 am EDT May 26, 2026
Forecast Valid:
8am EDT May 26, 2026-6pm EDT Jun 1, 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