National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Williamsport - Lycoming County Airport (KIPT)

Lat: 41.24°NLon: 76.92°WElev: 522ft.

Overcast

36°F

2°C

Humidity 67%
Wind Speed Calm
Barometer 30.01 in (1016.7 mb)
Dewpoint 26°F (-3°C)
Visibility 9.00 mi
Last update 17 Jan 5:54 pm EST
Extended Forecast for

4 Miles ESE Castanea PA

  • Tonight

    Tonight: A slight chance of snow showers between 4am and 5am, then a slight chance of snow after 5am. Increasing clouds, with a low around 23. West wind around 6 mph. Chance of precipitation is 20%.

    Low: 23 °F

    Mostly Cloudy
    then Slight
    Chance Snow
    Showers

  • Sunday

    Sunday: Mostly cloudy, with a high near 26. West wind around 7 mph.

    High: 26 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 16. West wind around 6 mph.

    Low: 16 °F

    Mostly Cloudy

  • M.L.King Day

    M.L.King Day: A slight chance of snow showers before 1pm. Mostly cloudy, with a high near 26. Southwest wind 8 to 15 mph, with gusts as high as 31 mph. Chance of precipitation is 20%.

    High: 26 °F

    Slight Chance
    Snow Showers

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 6. West wind 11 to 15 mph, with gusts as high as 30 mph.

    Low: 6 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 15.

    High: 15 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 7.

    Low: 7 °F

    Mostly Clear

  • Wednesday

    Wednesday: Partly sunny, with a high near 30.

    High: 30 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 22.

    Low: 22 °F

    Mostly Cloudy

Detailed Forecast

Tonight
A slight chance of snow showers between 4am and 5am, then a slight chance of snow after 5am. Increasing clouds, with a low around 23. West wind around 6 mph. Chance of precipitation is 20%.
Sunday
Mostly cloudy, with a high near 26. West wind around 7 mph.
Sunday Night
Mostly cloudy, with a low around 16. West wind around 6 mph.
M.L.King Day
A slight chance of snow showers before 1pm. Mostly cloudy, with a high near 26. Southwest wind 8 to 15 mph, with gusts as high as 31 mph. Chance of precipitation is 20%.
Monday Night
Mostly cloudy, with a low around 6. West wind 11 to 15 mph, with gusts as high as 30 mph.
Tuesday
Mostly sunny, with a high near 15.
Tuesday Night
Mostly clear, with a low around 7.
Wednesday
Partly sunny, with a high near 30.
Wednesday Night
Mostly cloudy, with a low around 22.
Thursday
Partly sunny, with a high near 29.
Thursday Night
Partly cloudy, with a low around 11.
Friday
Partly sunny, with a high near 27.
Friday Night
Mostly cloudy, with a low around 16.
Saturday
A chance of snow showers. Partly sunny, with a high near 27. Chance of precipitation is 30%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles ESE Castanea PA
 41.1°N 77.37°W (Elev. 1522 ft)
Last Update:
2:31 pm EST Jan 17, 2026
Forecast Valid:
6pm EST Jan 17, 2026-6pm EST Jan 24, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation