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.

Fog/Mist

35°F

2°C

Humidity 96%
Wind Speed Calm
Barometer 30.28 in (1025.8 mb)
Dewpoint 34°F (1°C)
Visibility 2.50 mi
Last update 4 Mar 7:54 am EST
Extended Forecast for

4 Miles ESE Castanea PA

  • Today

    Today: Areas of fog before 1pm. Otherwise, mostly cloudy, with a high near 49. Calm wind.

    High: 49 °F

    Areas Fog

  • Tonight

    Tonight: Rain likely, mainly after 4am. Patchy fog. Otherwise, cloudy, with a low around 39. Calm wind. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 39 °F

    Chance Rain
    and Patchy
    Fog then Rain
    Likely and
    Areas Fog

  • Thursday

    Thursday: Rain. Patchy fog before noon. High near 49. Light southeast wind. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    High: 49 °F

    Rain and
    Patchy Fog

  • Thursday Night

    Thursday Night: Rain. Low around 42. Southeast wind 3 to 5 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 42 °F

    Rain

  • Friday

    Friday: A chance of rain, mainly before 1pm. Mostly cloudy, with a high near 51. South wind 3 to 6 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    High: 51 °F

    Chance Rain

  • Friday Night

    Friday Night: A slight chance of rain, with thunderstorms also possible after 4am. Mostly cloudy, with a low around 46. Chance of precipitation is 20%.

    Low: 46 °F

    Slight Chance
    Rain then
    Slight Chance
    T-storms

  • Saturday

    Saturday: Rain after 1pm. High near 67. Chance of precipitation is 80%.

    High: 67 °F

    Mostly Cloudy
    then Rain

  • Saturday Night

    Saturday Night: A chance of rain before 1am. Mostly cloudy, with a low around 42. Chance of precipitation is 50%.

    Low: 42 °F

    Chance Rain

  • Sunday

    Sunday: Mostly sunny, with a high near 57.

    High: 57 °F

    Mostly Sunny

Detailed Forecast

Today
Areas of fog before 1pm. Otherwise, mostly cloudy, with a high near 49. Calm wind.
Tonight
Rain likely, mainly after 4am. Patchy fog. Otherwise, cloudy, with a low around 39. Calm wind. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday
Rain. Patchy fog before noon. High near 49. Light southeast wind. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Thursday Night
Rain. Low around 42. Southeast wind 3 to 5 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Friday
A chance of rain, mainly before 1pm. Mostly cloudy, with a high near 51. South wind 3 to 6 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Friday Night
A slight chance of rain, with thunderstorms also possible after 4am. Mostly cloudy, with a low around 46. Chance of precipitation is 20%.
Saturday
Rain after 1pm. High near 67. Chance of precipitation is 80%.
Saturday Night
A chance of rain before 1am. Mostly cloudy, with a low around 42. Chance of precipitation is 50%.
Sunday
Mostly sunny, with a high near 57.
Sunday Night
Partly cloudy, with a low around 41.
Monday
Sunny, with a high near 64.
Monday Night
Mostly clear, with a low around 47.
Tuesday
Mostly sunny, with a high near 70.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles ESE Castanea PA
 41.1°N 77.37°W (Elev. 1522 ft)
Last Update:
7:26 am EST Mar 4, 2026
Forecast Valid:
8am EST Mar 4, 2026-6pm EDT Mar 10, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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