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.

Fair

70°F

21°C

Humidity 71%
Wind Speed W 8 mph
Barometer 29.87 in (1011.4 mb)
Dewpoint 60°F (16°C)
Visibility 10.00 mi
Last update 12 Oct 4:54 pm EDT
Extended Forecast for

Castanea PA

  • Tonight

    Tonight: Partly cloudy, with a low around 56. Southwest wind 5 to 7 mph.

    Low: 56 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 78. Light southwest wind increasing to 5 to 10 mph in the afternoon. Winds could gust as high as 21 mph.

    High: 78 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 63. Southwest wind 9 to 11 mph, with gusts as high as 21 mph.

    Low: 63 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A chance of showers, mainly after 2pm. Partly sunny, with a high near 76. West wind 6 to 8 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

    High: 76 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: A chance of showers before 8pm. Mostly cloudy, with a low around 50. North wind around 7 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 50 °F

    Chance
    Showers then
    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 64.

    High: 64 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Showers, mainly after 2am. Low around 52. Chance of precipitation is 80%.

    Low: 52 °F

    Chance
    Showers then
    Showers

  • Friday

    Friday: Showers, mainly before 2pm. High near 66. Chance of precipitation is 80%.

    High: 66 °F

    Showers

  • Friday Night

    Friday Night: A chance of showers before 8pm. Mostly cloudy, with a low around 38. Chance of precipitation is 30%.

    Low: 38 °F

    Chance
    Showers then
    Mostly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 56. Southwest wind 5 to 7 mph.
Tuesday
Mostly sunny, with a high near 78. Light southwest wind increasing to 5 to 10 mph in the afternoon. Winds could gust as high as 21 mph.
Tuesday Night
Partly cloudy, with a low around 63. Southwest wind 9 to 11 mph, with gusts as high as 21 mph.
Wednesday
A chance of showers, mainly after 2pm. Partly sunny, with a high near 76. West wind 6 to 8 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday Night
A chance of showers before 8pm. Mostly cloudy, with a low around 50. North wind around 7 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Thursday
Partly sunny, with a high near 64.
Thursday Night
Showers, mainly after 2am. Low around 52. Chance of precipitation is 80%.
Friday
Showers, mainly before 2pm. High near 66. Chance of precipitation is 80%.
Friday Night
A chance of showers before 8pm. Mostly cloudy, with a low around 38. Chance of precipitation is 30%.
Saturday
Mostly sunny, with a high near 50.
Saturday Night
Widespread frost. Otherwise, mostly clear, with a low around 31.
Sunday
Widespread frost. Otherwise, sunny, with a high near 56.
Sunday Night
Areas of frost. Otherwise, mostly clear, with a low around 36.
Monday
Areas of frost. Otherwise, mostly sunny, with a high near 61.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Castanea PA
 41.11°N 77.43°W (Elev. 1529 ft)
Last Update:
3:03 pm EDT Oct 12, 2026
Forecast Valid:
5pm EDT Oct 12, 2026-6pm EDT Oct 19, 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