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.

A Few Clouds

59°F

15°C

Humidity 100%
Wind Speed Calm
Barometer 29.86 in (1010.9 mb)
Dewpoint 59°F (15°C)
Visibility 7.00 mi
Last update 14 Oct 4:54 am EDT
Extended Forecast for

3 Miles S South Williamsport PA

  • Today

    Today: Isolated showers between 8am and noon. Partly sunny, with a high near 71. Light west wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 20 mph. Chance of precipitation is 20%.

    High: 71 °F

    Isolated
    Showers then
    Partly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 50. North wind around 10 mph.

    Low: 50 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 61. North wind around 6 mph becoming light and variable in the morning.

    High: 61 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: A chance of showers, then showers and possibly a thunderstorm after 2am. Low around 53. Light southeast wind becoming south 11 to 16 mph in the evening. Winds could gust as high as 24 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 53 °F

    Chance
    Showers then
    Showers

  • Friday

    Friday: Showers and possibly a thunderstorm. High near 68. South wind 9 to 17 mph becoming west in the afternoon. Winds could gust as high as 30 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 68 °F

    Showers

  • Friday Night

    Friday Night: Showers, mainly before 8pm. Low around 39. Breezy. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 39 °F

    Breezy.
    Showers then
    Slight Chance
    Showers

  • Saturday

    Saturday: Sunny, with a high near 47. Breezy.

    High: 47 °F

    Sunny and
    Breezy

  • Saturday Night

    Saturday Night: Widespread frost, mainly after 4am. Otherwise, clear, with a low around 33.

    Low: 33 °F

    Frost

  • Sunday

    Sunday: Widespread frost, mainly before 9am. Otherwise, sunny, with a high near 57.

    High: 57 °F

    Frost then
    Sunny

Detailed Forecast

Today
Isolated showers between 8am and noon. Partly sunny, with a high near 71. Light west wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 20 mph. Chance of precipitation is 20%.
Tonight
Mostly cloudy, with a low around 50. North wind around 10 mph.
Thursday
Mostly sunny, with a high near 61. North wind around 6 mph becoming light and variable in the morning.
Thursday Night
A chance of showers, then showers and possibly a thunderstorm after 2am. Low around 53. Light southeast wind becoming south 11 to 16 mph in the evening. Winds could gust as high as 24 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday
Showers and possibly a thunderstorm. High near 68. South wind 9 to 17 mph becoming west in the afternoon. Winds could gust as high as 30 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday Night
Showers, mainly before 8pm. Low around 39. Breezy. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Saturday
Sunny, with a high near 47. Breezy.
Saturday Night
Widespread frost, mainly after 4am. Otherwise, clear, with a low around 33.
Sunday
Widespread frost, mainly before 9am. Otherwise, sunny, with a high near 57.
Sunday Night
Mostly clear, with a low around 35.
Monday
Areas of frost. Otherwise, mostly sunny, with a high near 59.
Monday Night
Mostly cloudy, with a low around 41.
Tuesday
Partly sunny, with a high near 62.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles S South Williamsport PA
 41.2°N 77°W (Elev. 1224 ft)
Last Update:
2:56 am EDT Oct 14, 2026
Forecast Valid:
5am EDT Oct 14, 2026-6pm EDT Oct 20, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation