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

65°F

18°C

Humidity 92%
Wind Speed Calm
Barometer 30.17 in (1021.7 mb)
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Last update 18 Aug 11:55 pm EDT
Extended Forecast for

Lebanon South PA

  • Overnight

    Overnight: Mostly cloudy, with a low around 62. East wind 3 to 5 mph.

    Low: 62 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 77. East wind 6 to 8 mph.

    High: 77 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: A slight chance of showers after 2am. Mostly cloudy, with a low around 62. East wind around 6 mph. Chance of precipitation is 20%.

    Low: 62 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Wednesday

    Wednesday: A chance of showers, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 77. East wind around 7 mph. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 77 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: A slight chance of showers and thunderstorms. Mostly cloudy, with a low around 62. East wind around 6 mph. Chance of precipitation is 20%.

    Low: 62 °F

    Slight Chance
    T-storms then
    Slight Chance
    Showers

  • Thursday

    Thursday: Mostly sunny, with a high near 82.

    High: 82 °F

    Mostly Sunny

  • Thursday Night

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

    Low: 61 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 85.

    High: 85 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 62.

    Low: 62 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly cloudy, with a low around 62. East wind 3 to 5 mph.
Tuesday
Mostly cloudy, with a high near 77. East wind 6 to 8 mph.
Tuesday Night
A slight chance of showers after 2am. Mostly cloudy, with a low around 62. East wind around 6 mph. Chance of precipitation is 20%.
Wednesday
A chance of showers, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 77. East wind around 7 mph. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
A slight chance of showers and thunderstorms. Mostly cloudy, with a low around 62. East wind around 6 mph. Chance of precipitation is 20%.
Thursday
Mostly sunny, with a high near 82.
Thursday Night
Mostly clear, with a low around 61.
Friday
Sunny, with a high near 85.
Friday Night
Mostly clear, with a low around 62.
Saturday
Mostly sunny, with a high near 85.
Saturday Night
A chance of showers. Mostly cloudy, with a low around 65. Chance of precipitation is 40%.
Sunday
Showers likely. Partly sunny, with a high near 83. Chance of precipitation is 60%.
Sunday Night
Showers likely. Mostly cloudy, with a low around 61. Chance of precipitation is 60%.
Monday
Mostly sunny, with a high near 81.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Lebanon South PA
 40.32°N 76.43°W (Elev. 499 ft)
Last Update:
8:54 pm EDT Aug 18, 2025
Forecast Valid:
12am EDT Aug 19, 2025-6pm EDT Aug 25, 2025
 
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