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.

A Few Clouds

29°F

-2°C

Humidity 86%
Wind Speed Calm
Barometer 30.07 in (1019.2 mb)
Dewpoint 25°F (-4°C)
Visibility 10.00 mi
Last update 13 Jan 8:55 am EST
Extended Forecast for

Jonestown PA

  • Today

    Today: Mostly sunny, with a high near 48. Light southwest wind increasing to 5 to 9 mph in the morning.

    High: 48 °F

    Mostly Sunny

  • Tonight

    Tonight: A slight chance of rain after 4am. Cloudy, with a low around 37. Southwest wind around 6 mph. Chance of precipitation is 20%.

    Low: 37 °F

    Cloudy then
    Slight Chance
    Rain

  • Wednesday

    Wednesday: Rain likely, mainly after 1pm. Cloudy, with a high near 48. Southwest wind 5 to 7 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 48 °F

    Chance Rain
    then Rain
    Likely

  • Wednesday Night

    Wednesday Night: Rain likely before 4am, then a slight chance of snow. Mostly cloudy, with a low around 24. Southwest wind 5 to 14 mph becoming northwest after midnight. Winds could gust as high as 28 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    Low: 24 °F

    Rain Likely
    then
    Rain/Snow
    Likely

  • Thursday

    Thursday: Partly sunny, with a high near 29. West wind 16 to 18 mph, with gusts as high as 31 mph.

    High: 29 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 15.

    Low: 15 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 31.

    High: 31 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 24.

    Low: 24 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 40.

    High: 40 °F

    Partly Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 48. Light southwest wind increasing to 5 to 9 mph in the morning.
Tonight
A slight chance of rain after 4am. Cloudy, with a low around 37. Southwest wind around 6 mph. Chance of precipitation is 20%.
Wednesday
Rain likely, mainly after 1pm. Cloudy, with a high near 48. Southwest wind 5 to 7 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday Night
Rain likely before 4am, then a slight chance of snow. Mostly cloudy, with a low around 24. Southwest wind 5 to 14 mph becoming northwest after midnight. Winds could gust as high as 28 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Thursday
Partly sunny, with a high near 29. West wind 16 to 18 mph, with gusts as high as 31 mph.
Thursday Night
Partly cloudy, with a low around 15.
Friday
Mostly sunny, with a high near 31.
Friday Night
Mostly cloudy, with a low around 24.
Saturday
Partly sunny, with a high near 40.
Saturday Night
Mostly cloudy, with a low around 21.
Sunday
Mostly sunny, with a high near 32.
Sunday Night
Partly cloudy, with a low around 16.
M.L.King Day
Partly sunny, with a high near 28.
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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:
8:31 am EST Jan 13, 2026
Forecast Valid:
9am EST Jan 13, 2026-6pm EST Jan 19, 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