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.

Unknown Precip

37°F

3°C

Humidity 89%
Wind Speed NE 8 mph
Barometer 29.93 in (1013.8 mb)
Dewpoint 34°F (1°C)
Visibility 8.00 mi
Wind Chill31°F (-1°C)
Last update 10 Jan 3:54 pm EST
Extended Forecast for

Castanea PA

  • This Afternoon

    This Afternoon: Showers likely. Cloudy, with a high near 41. Calm wind. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    High: 41 °F

    Showers
    Likely

  • Tonight

    Tonight: Showers, mainly before midnight. Patchy fog between 7pm and 1am. Low around 31. Calm wind becoming west 5 to 8 mph after midnight. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 31 °F

    Showers and
    Patchy Fog
    then Patchy
    Fog

  • Sunday

    Sunday: A slight chance of rain showers between noon and 1pm, then a slight chance of snow showers after 1pm. Increasing clouds, with a high near 38. West wind 7 to 16 mph, with gusts as high as 31 mph. Chance of precipitation is 20%.

    High: 38 °F

    Mostly Sunny
    then Slight
    Chance
    Rain/Snow

  • Sunday Night

    Sunday Night: A slight chance of snow showers before 8pm. Mostly cloudy, with a low around 27. West wind 11 to 16 mph, with gusts as high as 31 mph. Chance of precipitation is 20%.

    Low: 27 °F

    Slight Chance
    Snow Showers
    then Partly
    Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 39. West wind 8 to 11 mph, with gusts as high as 21 mph.

    High: 39 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 31.

    Low: 31 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 45.

    High: 45 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 36.

    Low: 36 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A chance of rain. Cloudy, with a high near 44. Chance of precipitation is 50%.

    High: 44 °F

    Chance Rain

Detailed Forecast

This Afternoon
Showers likely. Cloudy, with a high near 41. Calm wind. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Tonight
Showers, mainly before midnight. Patchy fog between 7pm and 1am. Low around 31. Calm wind becoming west 5 to 8 mph after midnight. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Sunday
A slight chance of rain showers between noon and 1pm, then a slight chance of snow showers after 1pm. Increasing clouds, with a high near 38. West wind 7 to 16 mph, with gusts as high as 31 mph. Chance of precipitation is 20%.
Sunday Night
A slight chance of snow showers before 8pm. Mostly cloudy, with a low around 27. West wind 11 to 16 mph, with gusts as high as 31 mph. Chance of precipitation is 20%.
Monday
Mostly sunny, with a high near 39. West wind 8 to 11 mph, with gusts as high as 21 mph.
Monday Night
Mostly cloudy, with a low around 31.
Tuesday
Partly sunny, with a high near 45.
Tuesday Night
Mostly cloudy, with a low around 36.
Wednesday
A chance of rain. Cloudy, with a high near 44. Chance of precipitation is 50%.
Wednesday Night
A chance of rain before 1am. Mostly cloudy, with a low around 24. Chance of precipitation is 30%.
Thursday
Partly sunny, with a high near 30.
Thursday Night
Partly cloudy, with a low around 18.
Friday
Partly sunny, with a high near 33.
Friday Night
Mostly cloudy, with a low around 22.
Saturday
A chance of snow showers. Partly sunny, with a high near 35.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Castanea PA
 41.13°N 77.42°W (Elev. 597 ft)
Last Update:
4:16 pm EST Jan 10, 2026
Forecast Valid:
4pm EST Jan 10, 2026-6pm EST Jan 17, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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