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

60°F

16°C

Humidity 98%
Wind Speed E 5 mph
Barometer 30.16 in (1021.6 mb)
Dewpoint 59°F (15°C)
Visibility 10.00 mi
Last update 24 May 7:55 pm EDT
Extended Forecast for

3 Miles SW Jonestown PA

  • Tonight

    Tonight: Showers, mainly after 4am. Low around 56. East wind around 6 mph becoming calm after midnight. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 56 °F

    Slight Chance
    Showers then
    Showers

  • Memorial Day

    Memorial Day: Showers, mainly before 9am. Patchy fog before 10am. High near 78. Calm wind becoming west around 5 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 78 °F

    Showers and
    Patchy Fog
    then Slight
    Chance
    Showers

  • Monday Night

    Monday Night: Patchy dense fog after midnight. Otherwise, mostly cloudy, with a low around 57. Calm wind.

    Low: 57 °F

    Mostly Cloudy
    then Patchy
    Dense Fog

  • Tuesday

    Tuesday: Partly sunny, with a high near 80. Calm wind.

    High: 80 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Patchy fog after midnight. Otherwise, mostly cloudy, with a low around 59. Calm wind.

    Low: 59 °F

    Mostly Cloudy
    then Patchy
    Fog

  • Wednesday

    Wednesday: Patchy fog before 9am. Otherwise, partly sunny, with a high near 84.

    High: 84 °F

    Patchy Fog
    then Partly
    Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 59.

    Low: 59 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 78.

    High: 78 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 53.

    Low: 53 °F

    Mostly Clear

Detailed Forecast

Tonight
Showers, mainly after 4am. Low around 56. East wind around 6 mph becoming calm after midnight. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Memorial Day
Showers, mainly before 9am. Patchy fog before 10am. High near 78. Calm wind becoming west around 5 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Monday Night
Patchy dense fog after midnight. Otherwise, mostly cloudy, with a low around 57. Calm wind.
Tuesday
Partly sunny, with a high near 80. Calm wind.
Tuesday Night
Patchy fog after midnight. Otherwise, mostly cloudy, with a low around 59. Calm wind.
Wednesday
Patchy fog before 9am. Otherwise, partly sunny, with a high near 84.
Wednesday Night
Mostly cloudy, with a low around 59.
Thursday
Mostly sunny, with a high near 78.
Thursday Night
Mostly clear, with a low around 53.
Friday
Sunny, with a high near 77.
Friday Night
Mostly clear, with a low around 52.
Saturday
Mostly sunny, with a high near 76.
Saturday Night
Partly cloudy, with a low around 52.
Sunday
Mostly sunny, with a high near 72.
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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:
8:06 pm EDT May 24, 2026
Forecast Valid:
8pm EDT May 24, 2026-6pm EDT May 31, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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