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

35°F

2°C

Humidity 72%
Wind Speed NW 3 mph
Barometer 30.09 in (1019.3 mb)
Dewpoint 27°F (-3°C)
Visibility 10.00 mi
Last update 14 Nov 2:54 am EST
Extended Forecast for

South Williamsport PA

  • Overnight

    Overnight: Partly cloudy, with a low around 32. West wind around 6 mph.

    Low: 32 °F

    Partly Cloudy

  • Friday

    Friday: Increasing clouds, with a high near 52. West wind 6 to 9 mph.

    High: 52 °F

    Increasing
    Clouds

  • Friday Night

    Friday Night: Partly cloudy, with a low around 31. Light west wind.

    Low: 31 °F

    Partly Cloudy

  • Saturday

    Saturday: Showers likely and possibly a thunderstorm, mainly after 4pm. Mostly cloudy, with a high near 56. Calm wind becoming southeast around 6 mph in the afternoon. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 56 °F

    Mostly Cloudy
    then Showers
    Likely

  • Saturday Night

    Saturday Night: Showers and possibly a thunderstorm. Low around 42. South wind 6 to 13 mph becoming west after midnight. Winds could gust as high as 21 mph. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 42 °F

    Showers

  • Sunday

    Sunday: A slight chance of rain after 1pm, mixing with snow after 4pm. Partly sunny, with a high near 50. Chance of precipitation is 20%.

    High: 50 °F

    Partly Sunny
    then Slight
    Chance
    Rain/Snow

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 33.

    Low: 33 °F

    Partly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 46.

    High: 46 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 30.

    Low: 30 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Partly cloudy, with a low around 32. West wind around 6 mph.
Friday
Increasing clouds, with a high near 52. West wind 6 to 9 mph.
Friday Night
Partly cloudy, with a low around 31. Light west wind.
Saturday
Showers likely and possibly a thunderstorm, mainly after 4pm. Mostly cloudy, with a high near 56. Calm wind becoming southeast around 6 mph in the afternoon. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday Night
Showers and possibly a thunderstorm. Low around 42. South wind 6 to 13 mph becoming west after midnight. Winds could gust as high as 21 mph. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday
A slight chance of rain after 1pm, mixing with snow after 4pm. Partly sunny, with a high near 50. Chance of precipitation is 20%.
Sunday Night
Partly cloudy, with a low around 33.
Monday
Partly sunny, with a high near 46.
Monday Night
Mostly cloudy, with a low around 30.
Tuesday
Partly sunny, with a high near 46.
Tuesday Night
Partly cloudy, with a low around 28.
Wednesday
Mostly sunny, with a high near 48.
Wednesday Night
Mostly cloudy, with a low around 27.
Thursday
Partly sunny, with a high near 47.
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ABOUT THIS FORECAST

 
Point Forecast:
South Williamsport PA
 41.24°N 76.99°W (Elev. 492 ft)
Last Update:
3:06 am EST Nov 14, 2025
Forecast Valid:
3am EST Nov 14, 2025-6pm EST Nov 20, 2025
 
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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