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

25°F

-4°C

Humidity 79%
Wind Speed Calm
Barometer 29.96 in (1015.5 mb)
Dewpoint 19°F (-7°C)
Visibility 10.00 mi
Last update 3 Jan 10:55 pm EST
Extended Forecast for

3 Miles SW Jonestown PA

  • Tonight

    Tonight: Cloudy, with a low around 22. Light west wind.

    Low: 22 °F

    Cloudy

  • Sunday

    Sunday: Partly sunny, then gradually becoming sunny, with a high near 35. Northwest wind 5 to 10 mph.

    High: 35 °F

    Becoming
    Sunny

  • Sunday Night

    Sunday Night: Increasing clouds, with a low around 20. West wind around 6 mph becoming calm in the evening.

    Low: 20 °F

    Increasing
    Clouds

  • Monday

    Monday: Cloudy, with a high near 35. Calm wind becoming south 5 to 8 mph in the afternoon.

    High: 35 °F

    Cloudy

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 26. Light and variable wind.

    Low: 26 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 43.

    High: 43 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: A chance of rain before 1am. Cloudy, with a low around 33. Chance of precipitation is 30%.

    Low: 33 °F

    Chance Rain

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 48.

    High: 48 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 34.

    Low: 34 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Cloudy, with a low around 22. Light west wind.
Sunday
Partly sunny, then gradually becoming sunny, with a high near 35. Northwest wind 5 to 10 mph.
Sunday Night
Increasing clouds, with a low around 20. West wind around 6 mph becoming calm in the evening.
Monday
Cloudy, with a high near 35. Calm wind becoming south 5 to 8 mph in the afternoon.
Monday Night
Mostly cloudy, with a low around 26. Light and variable wind.
Tuesday
Mostly cloudy, with a high near 43.
Tuesday Night
A chance of rain before 1am. Cloudy, with a low around 33. Chance of precipitation is 30%.
Wednesday
Mostly cloudy, with a high near 48.
Wednesday Night
Mostly cloudy, with a low around 34.
Thursday
Partly sunny, with a high near 47.
Thursday Night
A chance of rain. Mostly cloudy, with a low around 38. Chance of precipitation is 30%.
Friday
A chance of rain. Cloudy, with a high near 51. Chance of precipitation is 50%.
Friday Night
A chance of showers. Mostly cloudy, with a low around 41. Chance of precipitation is 40%.
Saturday
A chance of showers. Mostly cloudy, with a high near 52. Chance of precipitation is 40%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SW Jonestown PA
 40.4°N 76.53°W (Elev. 430 ft)
Last Update:
7:06 pm EST Jan 3, 2026
Forecast Valid:
11pm EST Jan 3, 2026-6pm EST Jan 10, 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