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

67°F

19°C

Humidity 81%
Wind Speed Calm
Barometer 30.12 in (1019.9 mb)
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Last update 15 Aug 11:55 pm EDT
Extended Forecast for

Lebanon South PA

  • Overnight

    Overnight: Mostly cloudy, with a low around 68. Light east wind.

    Low: 68 °F

    Mostly Cloudy

  • Sunday

    Sunday: A chance of showers, then showers and possibly a thunderstorm after 11am. High near 79. Southeast wind 6 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 90%. New rainfall amounts between three quarters and one inch possible.

    High: 79 °F

    Showers
    Likely then
    Showers

  • Sunday Night

    Sunday Night: Showers and thunderstorms before 4am, then a slight chance of showers between 4am and 5am. Low around 68. South wind 5 to 11 mph, with gusts as high as 22 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 68 °F

    Showers

  • Monday

    Monday: A slight chance of showers between 8am and 2pm, then a chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 87. Northwest wind 6 to 10 mph. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 87 °F

    Slight Chance
    Showers then
    Chance
    T-storms

  • Monday Night

    Monday Night: A chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 64. Northwest wind 3 to 6 mph. Chance of precipitation is 30%.

    Low: 64 °F

    Chance
    Showers then
    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 85.

    High: 85 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 61.

    Low: 61 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 86.

    High: 86 °F

    Sunny

  • Wednesday Night

    Wednesday Night: A chance of showers. Mostly cloudy, with a low around 65. Chance of precipitation is 40%.

    Low: 65 °F

    Chance
    Showers

Detailed Forecast

Overnight
Mostly cloudy, with a low around 68. Light east wind.
Sunday
A chance of showers, then showers and possibly a thunderstorm after 11am. High near 79. Southeast wind 6 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 90%. New rainfall amounts between three quarters and one inch possible.
Sunday Night
Showers and thunderstorms before 4am, then a slight chance of showers between 4am and 5am. Low around 68. South wind 5 to 11 mph, with gusts as high as 22 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.
Monday
A slight chance of showers between 8am and 2pm, then a chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 87. Northwest wind 6 to 10 mph. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Monday Night
A chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 64. Northwest wind 3 to 6 mph. Chance of precipitation is 30%.
Tuesday
Sunny, with a high near 85.
Tuesday Night
Mostly clear, with a low around 61.
Wednesday
Sunny, with a high near 86.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 65. Chance of precipitation is 40%.
Thursday
A chance of showers. Partly sunny, with a high near 82. Chance of precipitation is 30%.
Thursday Night
Partly cloudy, with a low around 60.
Friday
Mostly sunny, with a high near 81.
Friday Night
A chance of showers. Mostly cloudy, with a low around 60. Chance of precipitation is 30%.
Saturday
A chance of showers. Partly sunny, with a high near 81. Chance of precipitation is 30%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Lebanon South PA
 40.34°N 76.39°W (Elev. 499 ft)
Last Update:
9:46 pm EDT Aug 15, 2026
Forecast Valid:
12am EDT Aug 16, 2026-6pm EDT Aug 22, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation