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.

Mostly Cloudy

67°F

19°C

Humidity 93%
Wind Speed Calm
Barometer 30.23 in (1023.7 mb)
Dewpoint 65°F (18°C)
Visibility 10.00 mi
Last update 17 Sep 4:55 am EDT
Extended Forecast for

Myerstown PA

  • Overnight

    Overnight: A slight chance of showers. Mostly cloudy, with a low around 65. Calm wind. Chance of precipitation is 20%.

    Low: 65 °F

    Slight Chance
    Showers

  • Thursday

    Thursday: A chance of showers, with thunderstorms also possible after 2pm. Patchy fog before 8am. Otherwise, mostly cloudy, with a high near 85. Calm wind becoming southwest 5 to 7 mph in the afternoon. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 85 °F

    Chance
    Showers and
    Patchy Fog
    then Chance
    T-storms

  • Thursday Night

    Thursday Night: Showers and thunderstorms likely before 1am, then a slight chance of showers between 1am and 3am. Mostly cloudy, with a low around 66. Light and variable wind. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 66 °F

    Showers
    Likely then
    Chance
    Showers

  • Friday

    Friday: Sunny, with a high near 80. North wind 6 to 10 mph.

    High: 80 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 52. North wind 5 to 8 mph.

    Low: 52 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 76.

    High: 76 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Showers likely after 2am. Mostly cloudy, with a low around 60. Chance of precipitation is 70%.

    Low: 60 °F

    Mostly Cloudy
    then Showers
    Likely

  • Sunday

    Sunday: Showers, with thunderstorms also possible after 2pm. High near 77. Chance of precipitation is 90%.

    High: 77 °F

    Showers

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms before 8pm, then a chance of showers between 8pm and 2am. Mostly cloudy, with a low around 58. Chance of precipitation is 50%.

    Low: 58 °F

    Chance
    T-storms then
    Chance
    Showers

Detailed Forecast

Overnight
A slight chance of showers. Mostly cloudy, with a low around 65. Calm wind. Chance of precipitation is 20%.
Thursday
A chance of showers, with thunderstorms also possible after 2pm. Patchy fog before 8am. Otherwise, mostly cloudy, with a high near 85. Calm wind becoming southwest 5 to 7 mph in the afternoon. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday Night
Showers and thunderstorms likely before 1am, then a slight chance of showers between 1am and 3am. Mostly cloudy, with a low around 66. Light and variable wind. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday
Sunny, with a high near 80. North wind 6 to 10 mph.
Friday Night
Partly cloudy, with a low around 52. North wind 5 to 8 mph.
Saturday
Mostly sunny, with a high near 76.
Saturday Night
Showers likely after 2am. Mostly cloudy, with a low around 60. Chance of precipitation is 70%.
Sunday
Showers, with thunderstorms also possible after 2pm. High near 77. Chance of precipitation is 90%.
Sunday Night
A chance of showers and thunderstorms before 8pm, then a chance of showers between 8pm and 2am. Mostly cloudy, with a low around 58. Chance of precipitation is 50%.
Monday
Partly sunny, with a high near 71.
Monday Night
A chance of showers. Mostly cloudy, with a low around 55. Chance of precipitation is 30%.
Tuesday
A chance of showers. Partly sunny, with a high near 68. Chance of precipitation is 40%.
Tuesday Night
A chance of showers. Mostly cloudy, with a low around 53. Chance of precipitation is 30%.
Wednesday
A chance of showers. Partly sunny, with a high near 69. Chance of precipitation is 30%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Myerstown PA
 40.37°N 76.3°W (Elev. 499 ft)
Last Update:
4:33 am EDT Sep 17, 2026
Forecast Valid:
5am EDT Sep 17, 2026-6pm EDT Sep 23, 2026
 
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