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

82°F

28°C

Humidity 34%
Wind Speed W 9 mph
Barometer 29.99 in (1015.6 mb)
Dewpoint 51°F (11°C)
Visibility 10.00 mi
Heat Index81°F (27°C)
Last update 16 May 1:55 pm EDT
Extended Forecast for

Myerstown PA

  • This Afternoon

    This Afternoon: Sunny, with a high near 81. Southwest wind around 13 mph, with gusts as high as 20 mph.

    High: 81 °F

    Sunny

  • Tonight

    Tonight: A slight chance of showers between 10pm and 11pm. Mostly cloudy, with a low around 59. Southwest wind 5 to 9 mph. Chance of precipitation is 20%.

    Low: 59 °F

    Slight Chance
    Showers then
    Mostly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 86. West wind 5 to 7 mph.

    High: 86 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 61. Calm wind.

    Low: 61 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 91. Calm wind becoming south 5 to 9 mph in the afternoon.

    High: 91 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 64.

    Low: 64 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny and hot, with a high near 93.

    High: 93 °F

    Hot

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 67.

    Low: 67 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Showers likely and possibly a thunderstorm after 2pm. Mostly sunny, with a high near 91. Chance of precipitation is 70%.

    High: 91 °F

    Mostly Sunny
    then Showers
    Likely

Detailed Forecast

This Afternoon
Sunny, with a high near 81. Southwest wind around 13 mph, with gusts as high as 20 mph.
Tonight
A slight chance of showers between 10pm and 11pm. Mostly cloudy, with a low around 59. Southwest wind 5 to 9 mph. Chance of precipitation is 20%.
Sunday
Mostly sunny, with a high near 86. West wind 5 to 7 mph.
Sunday Night
Partly cloudy, with a low around 61. Calm wind.
Monday
Sunny, with a high near 91. Calm wind becoming south 5 to 9 mph in the afternoon.
Monday Night
Mostly clear, with a low around 64.
Tuesday
Sunny and hot, with a high near 93.
Tuesday Night
Partly cloudy, with a low around 67.
Wednesday
Showers likely and possibly a thunderstorm after 2pm. Mostly sunny, with a high near 91. Chance of precipitation is 70%.
Wednesday Night
Showers likely and possibly a thunderstorm before 8pm, then a chance of showers between 8pm and 2am. Mostly cloudy, with a low around 57. Chance of precipitation is 60%.
Thursday
A chance of showers. Partly sunny, with a high near 73. Chance of precipitation is 30%.
Thursday Night
Partly cloudy, with a low around 50.
Friday
Partly sunny, with a high near 71.
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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:
2:05 pm EDT May 16, 2026
Forecast Valid:
2pm EDT May 16, 2026-6pm EDT May 22, 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