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.

Light Rain Fog/Mist

45°F

7°C

Humidity 93%
Wind Speed Calm
Barometer 30.25 in (1025.0 mb)
Dewpoint 43°F (6°C)
Visibility 4.00 mi
Last update 4 Mar 11:55 am EST
Extended Forecast for

Grantville PA

  • This Afternoon

    This Afternoon: A chance of showers before 1pm, then a chance of rain, mainly between 1pm and 4pm. Mostly cloudy, with a high near 47. Calm wind. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

    High: 47 °F

    Chance
    Showers

  • Tonight

    Tonight: Rain, mainly after 3am. Patchy fog after 3am. Low around 42. Calm wind. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 42 °F

    Slight Chance
    Rain then
    Rain and
    Patchy Fog

  • Thursday

    Thursday: Rain. Patchy fog before noon. High near 50. Calm wind becoming east around 6 mph in the afternoon. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    High: 50 °F

    Rain and
    Patchy Fog

  • Thursday Night

    Thursday Night: Rain and possibly a thunderstorm before 1am, then rain likely. Low around 42. East wind around 6 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 42 °F

    Rain

  • Friday

    Friday: A slight chance of showers before 1pm. Mostly cloudy, with a high near 51. East wind around 6 mph. Chance of precipitation is 20%.

    High: 51 °F

    Slight Chance
    Showers

  • Friday Night

    Friday Night: A slight chance of showers before 1am. Cloudy, with a low around 42. Chance of precipitation is 20%.

    Low: 42 °F

    Slight Chance
    Showers

  • Saturday

    Saturday: A chance of showers after 1pm. Mostly cloudy, with a high near 66. Chance of precipitation is 50%.

    High: 66 °F

    Mostly Cloudy
    then Chance
    Showers

  • Saturday Night

    Saturday Night: Showers likely before 1am. Mostly cloudy, with a low around 49. Chance of precipitation is 60%.

    Low: 49 °F

    Showers
    Likely

  • Sunday

    Sunday: Mostly sunny, with a high near 62.

    High: 62 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
A chance of showers before 1pm, then a chance of rain, mainly between 1pm and 4pm. Mostly cloudy, with a high near 47. Calm wind. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Tonight
Rain, mainly after 3am. Patchy fog after 3am. Low around 42. Calm wind. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Thursday
Rain. Patchy fog before noon. High near 50. Calm wind becoming east around 6 mph in the afternoon. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Thursday Night
Rain and possibly a thunderstorm before 1am, then rain likely. Low around 42. East wind around 6 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.
Friday
A slight chance of showers before 1pm. Mostly cloudy, with a high near 51. East wind around 6 mph. Chance of precipitation is 20%.
Friday Night
A slight chance of showers before 1am. Cloudy, with a low around 42. Chance of precipitation is 20%.
Saturday
A chance of showers after 1pm. Mostly cloudy, with a high near 66. Chance of precipitation is 50%.
Saturday Night
Showers likely before 1am. Mostly cloudy, with a low around 49. Chance of precipitation is 60%.
Sunday
Mostly sunny, with a high near 62.
Sunday Night
Partly cloudy, with a low around 44.
Monday
Sunny, with a high near 63.
Monday Night
Partly cloudy, with a low around 48.
Tuesday
Mostly 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:
12:12 pm EST Mar 4, 2026
Forecast Valid:
12pm EST Mar 4, 2026-6pm EDT Mar 10, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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