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.

Fog/Mist

49°F

9°C

Humidity 96%
Wind Speed Calm
Barometer 30.15 in (1021.3 mb)
Dewpoint 48°F (9°C)
Visibility 4.00 mi
Last update 4 Nov 7:56 am EST
Extended Forecast for

Grantville PA

  • Today

    Today: Mostly sunny, with a high near 75. Light south wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 20 mph.

    High: 75 °F

    Mostly Sunny

  • Tonight

    Tonight: Rain likely, mainly after 5am. Mostly cloudy, with a low around 59. Southeast wind around 7 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 59 °F

    Mostly Cloudy
    then Rain
    Likely

  • Thursday

    Thursday: Rain, mainly before 1pm. High near 73. South wind 7 to 9 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 73 °F

    Rain

  • Thursday Night

    Thursday Night: A chance of rain. Mostly cloudy, with a low around 57. Light and variable wind. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 57 °F

    Chance Rain

  • Friday

    Friday: A slight chance of rain. Mostly cloudy, with a high near 69. Light and variable wind. Chance of precipitation is 20%.

    High: 69 °F

    Slight Chance
    Rain

  • Friday Night

    Friday Night: Partly cloudy, with a low around 48.

    Low: 48 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 61.

    High: 61 °F

    Mostly Sunny

  • Saturday Night

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

    Low: 41 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 59.

    High: 59 °F

    Mostly Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 75. Light south wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 20 mph.
Tonight
Rain likely, mainly after 5am. Mostly cloudy, with a low around 59. Southeast wind around 7 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Thursday
Rain, mainly before 1pm. High near 73. South wind 7 to 9 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday Night
A chance of rain. Mostly cloudy, with a low around 57. Light and variable wind. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.
Friday
A slight chance of rain. Mostly cloudy, with a high near 69. Light and variable wind. Chance of precipitation is 20%.
Friday Night
Partly cloudy, with a low around 48.
Saturday
Mostly sunny, with a high near 61.
Saturday Night
Partly cloudy, with a low around 41.
Sunday
Mostly sunny, with a high near 59.
Sunday Night
Mostly clear, with a low around 39.
Monday
Mostly sunny, with a high near 59.
Monday Night
Mostly clear, with a low around 37.
Tuesday
Mostly sunny, with a high near 63.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Grantville PA
 40.39°N 76.68°W (Elev. 499 ft)
Last Update:
7:06 am EST Nov 4, 2026
Forecast Valid:
9am EST Nov 4, 2026-6pm EST Nov 10, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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