National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Muir Army Air Field / Indiantown (KMUI)

Lat: 40.44°NLon: 76.56°WElev: 476ft.

Fog/Mist

70°F

21°C

Humidity 95%
Wind Speed Calm
Barometer 30.00 in (1015.9 mb)
Dewpoint 69°F (21°C)
Visibility 4.00 mi
Last update 1 Sep 7:55 am EDT
Extended Forecast for

3 Miles NNW Jonestown PA

  • Today

    Today: Mostly cloudy, then becoming sunny during the afternoon, with a high near 89. Calm wind becoming west 5 to 8 mph in the afternoon.

    High: 89 °F

    Partly Sunny

  • Tonight

    Tonight: A chance of showers and thunderstorms before 4am, then a slight chance of showers after 5am. Some of the storms could be severe. Patchy fog between 4am and 5am. Otherwise, mostly cloudy, with a low around 70. Light and variable wind. Chance of precipitation is 40%.

    Low: 70 °F

    Severe
    Thunderstorms
    then Chance
    Showers and
    Patchy Fog

  • Wednesday

    Wednesday: A chance of showers, mainly between 10am and 1pm. Patchy fog between 7am and 8am. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 83. Calm wind becoming southeast around 5 mph in the afternoon. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.

    High: 83 °F

    Chance
    Showers and
    Patchy Fog

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms before 8pm, then showers likely and possibly a thunderstorm between 8pm and 2am, then a chance of showers and thunderstorms after 2am. Some of the storms could be severe. Mostly cloudy, with a low around 71. East wind around 6 mph becoming calm in the evening. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 71 °F

    Severe
    Thunderstorms

  • Thursday

    Thursday: A chance of showers before 8am, then a chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 89. Calm wind becoming west 5 to 9 mph in the morning. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 89 °F

    Chance
    Showers then
    Chance
    T-storms

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 69. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 69 °F

    Chance
    T-storms then
    Chance
    Showers

  • Friday

    Friday: Mostly sunny, with a high near 86.

    High: 86 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 63.

    Low: 63 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 81.

    High: 81 °F

    Sunny

Detailed Forecast

Today
Mostly cloudy, then becoming sunny during the afternoon, with a high near 89. Calm wind becoming west 5 to 8 mph in the afternoon.
Tonight
A chance of showers and thunderstorms before 4am, then a slight chance of showers after 5am. Some of the storms could be severe. Patchy fog between 4am and 5am. Otherwise, mostly cloudy, with a low around 70. Light and variable wind. Chance of precipitation is 40%.
Wednesday
A chance of showers, mainly between 10am and 1pm. Patchy fog between 7am and 8am. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 83. Calm wind becoming southeast around 5 mph in the afternoon. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday Night
A chance of showers and thunderstorms before 8pm, then showers likely and possibly a thunderstorm between 8pm and 2am, then a chance of showers and thunderstorms after 2am. Some of the storms could be severe. Mostly cloudy, with a low around 71. East wind around 6 mph becoming calm in the evening. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Thursday
A chance of showers before 8am, then a chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 89. Calm wind becoming west 5 to 9 mph in the morning. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday Night
A chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 69. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday
Mostly sunny, with a high near 86.
Friday Night
Partly cloudy, with a low around 63.
Saturday
Sunny, with a high near 81.
Saturday Night
Mostly clear, with a low around 59.
Sunday
Sunny, with a high near 80.
Sunday Night
Partly cloudy, with a low around 58.
Labor Day
A chance of showers. Mostly sunny, with a high near 79. Chance of precipitation is 30%.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NNW Jonestown PA
 40.46°N 76.52°W (Elev. 499 ft)
Last Update:
8:06 am EDT Sep 1, 2026
Forecast Valid:
8am EDT Sep 1, 2026-6pm EDT Sep 7, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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