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 and Breezy

42°F

6°C

Humidity 44%
Wind Speed W 23 G 33 mph
Barometer 29.86 in (1011.7 mb)
Dewpoint 21°F (-6°C)
Visibility 10.00 mi
Wind Chill32°F (0°C)
Last update 11 Jan 2:55 pm EST
Extended Forecast for

Jonestown PA

  • Tonight

    Tonight: Partly cloudy, with a low around 28. West wind 11 to 18 mph, with gusts as high as 34 mph.

    Low: 28 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 42. West wind 9 to 13 mph, with gusts as high as 21 mph.

    High: 42 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 27. West wind around 6 mph.

    Low: 27 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 47. Southwest wind 3 to 8 mph.

    High: 47 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 34. South wind around 6 mph.

    Low: 34 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A chance of showers before 1pm, then a chance of rain after 1pm. Cloudy, with a high near 48. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

    High: 48 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: A chance of rain. Mostly cloudy, with a low around 32. Chance of precipitation is 50%.

    Low: 32 °F

    Chance Rain

  • Thursday

    Thursday: A chance of rain before 1pm, then a chance of rain and snow. Mostly cloudy, with a high near 37. Chance of precipitation is 50%.

    High: 37 °F

    Chance Rain
    then Chance
    Rain/Snow

  • Thursday Night

    Thursday Night: A chance of snow before 1am. Mostly cloudy, with a low around 19. Chance of precipitation is 30%.

    Low: 19 °F

    Chance Snow

Detailed Forecast

Tonight
Partly cloudy, with a low around 28. West wind 11 to 18 mph, with gusts as high as 34 mph.
Monday
Mostly sunny, with a high near 42. West wind 9 to 13 mph, with gusts as high as 21 mph.
Monday Night
Partly cloudy, with a low around 27. West wind around 6 mph.
Tuesday
Mostly sunny, with a high near 47. Southwest wind 3 to 8 mph.
Tuesday Night
Mostly cloudy, with a low around 34. South wind around 6 mph.
Wednesday
A chance of showers before 1pm, then a chance of rain after 1pm. Cloudy, with a high near 48. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday Night
A chance of rain. Mostly cloudy, with a low around 32. Chance of precipitation is 50%.
Thursday
A chance of rain before 1pm, then a chance of rain and snow. Mostly cloudy, with a high near 37. Chance of precipitation is 50%.
Thursday Night
A chance of snow before 1am. Mostly cloudy, with a low around 19. Chance of precipitation is 30%.
Friday
Mostly sunny, with a high near 32.
Friday Night
Partly cloudy, with a low around 21.
Saturday
Mostly sunny, with a high near 36.
Saturday Night
Mostly cloudy, with a low around 24.
Sunday
Partly sunny, with a high near 35.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Jonestown PA
 40.41°N 76.47°W (Elev. 482 ft)
Last Update:
1:41 pm EST Jan 11, 2026
Forecast Valid:
3pm EST Jan 11, 2026-6pm EST Jan 18, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation