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

67°F

19°C

Humidity 77%
Wind Speed Calm
Barometer 30.13 in (1020.3 mb)
Dewpoint 59°F (15°C)
Visibility 10.00 mi
Last update 25 Jul 7:55 am EDT
Extended Forecast for

3 Miles SW Jonestown PA

  • Today

    Today: Sunny, with a high near 83. Calm wind becoming southeast 5 to 7 mph in the afternoon.

    High: 83 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 59. Southeast wind around 5 mph becoming calm after midnight.

    Low: 59 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 85. Light and variable wind.

    High: 85 °F

    Sunny

  • Sunday Night

    Sunday Night: A slight chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 2am. Partly cloudy, with a low around 63. Light south wind. Chance of precipitation is 20%.

    Low: 63 °F

    Slight Chance
    T-storms then
    Slight Chance
    Showers

  • Monday

    Monday: A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 87. Calm wind becoming southwest 5 to 7 mph in the afternoon. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 87 °F

    Mostly Sunny
    then Chance
    T-storms

  • Monday Night

    Monday Night: Showers and thunderstorms likely before 11pm, then showers likely between 11pm and 2am, then showers and possibly a thunderstorm after 2am. Low around 66. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 66 °F

    Showers

  • Tuesday

    Tuesday: Showers, with thunderstorms also possible after 8am. High near 84. Chance of precipitation is 80%.

    High: 84 °F

    Showers then
    T-storms

  • Tuesday Night

    Tuesday Night: Showers and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am. Low around 64. Chance of precipitation is 80%.

    Low: 64 °F

    T-storms then
    Chance
    T-storms

  • Wednesday

    Wednesday: A chance of showers after 2pm. Mostly sunny, with a high near 82. Chance of precipitation is 40%.

    High: 82 °F

    Mostly Sunny
    then Chance
    Showers

Detailed Forecast

Today
Sunny, with a high near 83. Calm wind becoming southeast 5 to 7 mph in the afternoon.
Tonight
Mostly clear, with a low around 59. Southeast wind around 5 mph becoming calm after midnight.
Sunday
Sunny, with a high near 85. Light and variable wind.
Sunday Night
A slight chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 2am. Partly cloudy, with a low around 63. Light south wind. Chance of precipitation is 20%.
Monday
A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 87. Calm wind becoming southwest 5 to 7 mph in the afternoon. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Monday Night
Showers and thunderstorms likely before 11pm, then showers likely between 11pm and 2am, then showers and possibly a thunderstorm after 2am. Low around 66. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tuesday
Showers, with thunderstorms also possible after 8am. High near 84. Chance of precipitation is 80%.
Tuesday Night
Showers and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am. Low around 64. Chance of precipitation is 80%.
Wednesday
A chance of showers after 2pm. Mostly sunny, with a high near 82. Chance of precipitation is 40%.
Wednesday Night
A chance of showers before 8pm. Partly cloudy, with a low around 62. Chance of precipitation is 30%.
Thursday
Mostly sunny, with a high near 83.
Thursday Night
Mostly clear, with a low around 63.
Friday
Sunny, with a high near 86.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SW Jonestown PA
 40.4°N 76.53°W (Elev. 430 ft)
Last Update:
8:05 am EDT Jul 25, 2026
Forecast Valid:
8am EDT Jul 25, 2026-6pm EDT Jul 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