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.

Fair

30°F

-1°C

Humidity 91%
Wind Speed Calm
Barometer 29.65 in (1004.6 mb)
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Last update 14 Jan 1:55 am EST
Extended Forecast for

Jonestown PA

  • Overnight

    Overnight: Cloudy, with a low around 33. Southwest wind around 6 mph.

    Low: 33 °F

    Cloudy

  • Wednesday

    Wednesday: Rain likely. Cloudy, with a high near 47. Southwest wind 3 to 6 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    High: 47 °F

    Rain Likely

  • Wednesday Night

    Wednesday Night: Rain before 2am, then rain and snow likely between 2am and 4am, then a chance of snow after 4am. Low around 25. Light and variable wind becoming northwest 8 to 13 mph after midnight. Winds could gust as high as 21 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.

    Low: 25 °F

    Rain then
    Rain/Snow
    Likely

  • Thursday

    Thursday: Partly sunny, with a high near 29. West wind 15 to 17 mph, with gusts as high as 28 mph.

    High: 29 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 17. West wind 10 to 14 mph, with gusts as high as 24 mph.

    Low: 17 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 32.

    High: 32 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 25.

    Low: 25 °F

    Mostly Cloudy

  • Saturday

    Saturday: A chance of snow showers. Partly sunny, with a high near 40. Chance of precipitation is 30%.

    High: 40 °F

    Chance Snow
    Showers

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 21.

    Low: 21 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Cloudy, with a low around 33. Southwest wind around 6 mph.
Wednesday
Rain likely. Cloudy, with a high near 47. Southwest wind 3 to 6 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday Night
Rain before 2am, then rain and snow likely between 2am and 4am, then a chance of snow after 4am. Low around 25. Light and variable wind becoming northwest 8 to 13 mph after midnight. Winds could gust as high as 21 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.
Thursday
Partly sunny, with a high near 29. West wind 15 to 17 mph, with gusts as high as 28 mph.
Thursday Night
Mostly cloudy, with a low around 17. West wind 10 to 14 mph, with gusts as high as 24 mph.
Friday
Mostly sunny, with a high near 32.
Friday Night
Mostly cloudy, with a low around 25.
Saturday
A chance of snow showers. Partly sunny, with a high near 40. Chance of precipitation is 30%.
Saturday Night
Mostly cloudy, with a low around 21.
Sunday
Mostly sunny, with a high near 29.
Sunday Night
Partly cloudy, with a low around 16.
M.L.King Day
Partly sunny, with a high near 29.
Monday Night
Mostly cloudy, with a low around 14.
Tuesday
Mostly sunny, with a high near 25.
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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:
2:18 am EST Jan 14, 2026
Forecast Valid:
2am EST Jan 14, 2026-6pm EST Jan 20, 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