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.

Partly Cloudy

78°F

26°C

Humidity 77%
Wind Speed SW 6 mph
Barometer 29.87 in (1011.4 mb)
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Heat Index80°F (27°C)
Last update 4 Sep 12:55 am EDT
Extended Forecast for

Myerstown PA

  • Overnight

    Overnight: A chance of showers and thunderstorms before 3am, then a slight chance of showers between 3am and 5am. Mostly cloudy, with a low around 70. Light west wind. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 70 °F

    Chance
    T-storms

  • Friday

    Friday: A chance of showers, with thunderstorms also possible after 2pm. Partly sunny, with a high near 86. Light west wind becoming northwest 5 to 9 mph in the morning. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 86 °F

    Slight Chance
    Showers then
    Chance
    T-storms

  • Friday Night

    Friday Night: A chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and midnight. Mostly cloudy, with a low around 63. Northwest wind 3 to 5 mph. Chance of precipitation is 30%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 63 °F

    Chance
    T-storms then
    Mostly Cloudy

  • Saturday

    Saturday: Cloudy through mid morning, then becoming mostly sunny, with a high near 81. Light north wind increasing to 5 to 10 mph in the morning.

    High: 81 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 56. North wind around 6 mph.

    Low: 56 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 78.

    High: 78 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 54.

    Low: 54 °F

    Mostly Clear

  • Labor Day

    Labor Day: Sunny, with a high near 79.

    High: 79 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 55.

    Low: 55 °F

    Mostly Clear

Detailed Forecast

Overnight
A chance of showers and thunderstorms before 3am, then a slight chance of showers between 3am and 5am. Mostly cloudy, with a low around 70. Light west wind. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday
A chance of showers, with thunderstorms also possible after 2pm. Partly sunny, with a high near 86. Light west wind becoming northwest 5 to 9 mph in the morning. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday Night
A chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and midnight. Mostly cloudy, with a low around 63. Northwest wind 3 to 5 mph. Chance of precipitation is 30%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday
Cloudy through mid morning, then becoming mostly sunny, with a high near 81. Light north wind increasing to 5 to 10 mph in the morning.
Saturday Night
Mostly clear, with a low around 56. North wind around 6 mph.
Sunday
Sunny, with a high near 78.
Sunday Night
Mostly clear, with a low around 54.
Labor Day
Sunny, with a high near 79.
Monday Night
Mostly clear, with a low around 55.
Tuesday
Mostly sunny, with a high near 81.
Tuesday Night
Partly cloudy, with a low around 58.
Wednesday
Mostly sunny, with a high near 83.
Wednesday Night
A chance of showers. Partly cloudy, with a low around 66. Chance of precipitation is 30%.
Thursday
A chance of showers. Mostly sunny, with a high near 86. Chance of precipitation is 30%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Myerstown PA
 40.37°N 76.3°W (Elev. 499 ft)
Last Update:
10:30 pm EDT Sep 3, 2026
Forecast Valid:
1am EDT Sep 4, 2026-6pm EDT Sep 10, 2026
 
Forecast Discussion
 
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Additional Resources

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National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation