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.

Mostly Cloudy

75°F

24°C

Humidity 50%
Wind Speed S 7 mph
Barometer 30.01 in (1016.5 mb)
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 4 Nov 2:55 pm EST
Extended Forecast for

Williamstown PA

  • Tonight

    Tonight: Showers, mainly after 4am. Low around 58. South wind 6 to 8 mph, with gusts as high as 21 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 58 °F

    Mostly Cloudy
    then Showers

  • Thursday

    Thursday: Showers before 11am, then a chance of showers after 1pm. High near 72. Southwest wind 5 to 9 mph, with gusts as high as 23 mph. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 72 °F

    Showers then
    Chance
    Showers

  • Thursday Night

    Thursday Night: A chance of showers, mainly before 9pm. Mostly cloudy, with a low around 52. Calm wind. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 52 °F

    Chance
    Showers then
    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 67. Light northwest wind.

    High: 67 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 44. Calm wind becoming northwest around 5 mph after midnight.

    Low: 44 °F

    Mostly Cloudy

  • Saturday

    Saturday: A slight chance of showers after 1pm. Mostly sunny, with a high near 57. Chance of precipitation is 20%.

    High: 57 °F

    Mostly Sunny
    then Slight
    Chance
    Showers

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 39.

    Low: 39 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 59.

    High: 59 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 36.

    Low: 36 °F

    Mostly Clear

Detailed Forecast

Tonight
Showers, mainly after 4am. Low around 58. South wind 6 to 8 mph, with gusts as high as 21 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday
Showers before 11am, then a chance of showers after 1pm. High near 72. Southwest wind 5 to 9 mph, with gusts as high as 23 mph. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday Night
A chance of showers, mainly before 9pm. Mostly cloudy, with a low around 52. Calm wind. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Friday
Partly sunny, with a high near 67. Light northwest wind.
Friday Night
Mostly cloudy, with a low around 44. Calm wind becoming northwest around 5 mph after midnight.
Saturday
A slight chance of showers after 1pm. Mostly sunny, with a high near 57. Chance of precipitation is 20%.
Saturday Night
Mostly cloudy, with a low around 39.
Sunday
Mostly sunny, with a high near 59.
Sunday Night
Mostly clear, with a low around 36.
Monday
Sunny, with a high near 59.
Monday Night
Mostly clear, with a low around 35.
Tuesday
Sunny, with a high near 64.
Tuesday Night
Mostly clear, with a low around 36.
Veterans Day
Mostly sunny, with a high near 60.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Williamstown PA
 40.58°N 76.61°W (Elev. 699 ft)
Last Update:
1:20 pm EST Nov 4, 2026
Forecast Valid:
3pm EST Nov 4, 2026-6pm EST Nov 11, 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