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.

Showers in Vicinity

70°F

21°C

Humidity 81%
Wind Speed W 3 mph
Barometer 29.90 in (1012.6 mb)
Dewpoint 64°F (18°C)
Visibility 7.00 mi
Last update 14 Oct 9:55 am EDT
Extended Forecast for

Jonestown PA

  • Today

    Today: Scattered showers, mainly before noon. Partly sunny, with a high near 81. West wind 8 to 10 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    High: 81 °F

    Scattered
    Showers

  • Tonight

    Tonight: Partly cloudy, with a low around 53. North wind 6 to 9 mph.

    Low: 53 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 67. Light and variable wind becoming northeast around 5 mph in the morning.

    High: 67 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Showers, mainly after 2am. Low around 54. Southeast wind 6 to 8 mph. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 54 °F

    Chance
    Showers then
    Showers

  • Friday

    Friday: Showers, mainly after 2pm. High near 78. South wind 10 to 18 mph, with gusts as high as 31 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 78 °F

    Showers

  • Friday Night

    Friday Night: Showers before 8pm. Low around 41. Breezy. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 41 °F

    Showers and
    Breezy then
    Mostly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 54. Breezy.

    High: 54 °F

    Sunny and
    Breezy

  • Saturday Night

    Saturday Night: Areas of frost after 2am. Otherwise, mostly clear, with a low around 34.

    Low: 34 °F

    Clear then
    Areas Frost

  • Sunday

    Sunday: Widespread frost, mainly before 8am. Otherwise, sunny, with a high near 61.

    High: 61 °F

    Frost then
    Sunny

Detailed Forecast

Today
Scattered showers, mainly before noon. Partly sunny, with a high near 81. West wind 8 to 10 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Tonight
Partly cloudy, with a low around 53. North wind 6 to 9 mph.
Thursday
Mostly sunny, with a high near 67. Light and variable wind becoming northeast around 5 mph in the morning.
Thursday Night
Showers, mainly after 2am. Low around 54. Southeast wind 6 to 8 mph. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.
Friday
Showers, mainly after 2pm. High near 78. South wind 10 to 18 mph, with gusts as high as 31 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday Night
Showers before 8pm. Low around 41. Breezy. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Saturday
Sunny, with a high near 54. Breezy.
Saturday Night
Areas of frost after 2am. Otherwise, mostly clear, with a low around 34.
Sunday
Widespread frost, mainly before 8am. Otherwise, sunny, with a high near 61.
Sunday Night
Mostly clear, with a low around 36.
Monday
Sunny, with a high near 65.
Monday Night
Mostly cloudy, with a low around 42.
Tuesday
Partly sunny, with a high near 68.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Jonestown PA
 40.41°N 76.47°W (Elev. 482 ft)
Last Update:
8:06 am EDT Oct 14, 2026
Forecast Valid:
10am EDT Oct 14, 2026-6pm EDT Oct 20, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation