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.

Fog/Mist

32°F

0°C

Humidity 96%
Wind Speed Calm
Barometer 30.11 in (1020.2 mb)
Dewpoint 31°F (-1°C)
Visibility 4.00 mi
Last update 7 Nov 12:55 am EST
Extended Forecast for

3 Miles NNW Mount Gretna PA

  • Overnight

    Overnight: Partly cloudy, with a low around 34. Calm wind.

    Low: 34 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 61. South wind 6 to 11 mph increasing to 13 to 18 mph in the morning. Winds could gust as high as 31 mph.

    High: 61 °F

    Partly Sunny

  • Friday Night

    Friday Night: Showers likely, mainly before 2am. Cloudy, then gradually becoming partly cloudy, with a low around 50. South wind 9 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 50 °F

    Showers
    Likely then
    Chance
    Showers

  • Saturday

    Saturday: Sunny, with a high near 65. Northwest wind 7 to 10 mph.

    High: 65 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 45. Calm wind becoming east around 5 mph after midnight.

    Low: 45 °F

    Mostly Cloudy

  • Sunday

    Sunday: Showers likely. Mostly cloudy, with a high near 63. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 63 °F

    Showers
    Likely

  • Sunday Night

    Sunday Night: Showers likely, mainly before 1am. Mostly cloudy, with a low around 39. Chance of precipitation is 60%.

    Low: 39 °F

    Showers
    Likely

  • Monday

    Monday: Partly sunny, with a high near 48.

    High: 48 °F

    Partly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 29.

    Low: 29 °F

    Partly Cloudy

Detailed Forecast

Overnight
Partly cloudy, with a low around 34. Calm wind.
Friday
Partly sunny, with a high near 61. South wind 6 to 11 mph increasing to 13 to 18 mph in the morning. Winds could gust as high as 31 mph.
Friday Night
Showers likely, mainly before 2am. Cloudy, then gradually becoming partly cloudy, with a low around 50. South wind 9 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Saturday
Sunny, with a high near 65. Northwest wind 7 to 10 mph.
Saturday Night
Mostly cloudy, with a low around 45. Calm wind becoming east around 5 mph after midnight.
Sunday
Showers likely. Mostly cloudy, with a high near 63. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday Night
Showers likely, mainly before 1am. Mostly cloudy, with a low around 39. Chance of precipitation is 60%.
Monday
Partly sunny, with a high near 48.
Monday Night
Partly cloudy, with a low around 29.
Veterans Day
Mostly sunny, with a high near 46.
Tuesday Night
Mostly cloudy, with a low around 33.
Wednesday
Partly sunny, with a high near 55.
Wednesday Night
Partly cloudy, with a low around 39.
Thursday
Mostly sunny, with a high near 53.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NNW Mount Gretna PA
 40.28°N 76.49°W (Elev. 499 ft)
Last Update:
1:34 am EST Nov 7, 2025
Forecast Valid:
1am EST Nov 7, 2025-6pm EST Nov 13, 2025
 
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