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.

Overcast

7°C

45°F

Humidity 66%
Wind Speed W 19 km/h
Barometer 1006.9 mb (29.73 in)
Dewpoint 1°C (34°F)
Visibility 16 km
Wind Chill4°C (39°F)
Last update 12 Nov 3:54 pm EST
Extended Forecast for

South Williamsport PA

  • Tonight

    Tonight: Cloudy, then gradually becoming partly cloudy, with a low around 2. West wind 14 to 23 km/h, with gusts as high as 35 km/h.

    Low: 2 °C

    Decreasing
    Clouds

  • Thursday

    Thursday: Partly sunny, with a high near 9. West wind 14 to 19 km/h increasing to 21 to 26 km/h in the afternoon. Winds could gust as high as 45 km/h.

    High: 9 °C

    Partly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 0. West wind 10 to 18 km/h, with gusts as high as 34 km/h.

    Low: 0 °C

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 10. Northwest wind 10 to 16 km/h, with gusts as high as 32 km/h.

    High: 10 °C

    Partly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around -1. Northwest wind 5 to 10 km/h becoming calm after midnight.

    Low: -1 °C

    Partly Cloudy

  • Saturday

    Saturday: A slight chance of rain after 1pm. Partly sunny, with a high near 11. Chance of precipitation is 20%.

    High: 11 °C

    Partly Sunny
    then Slight
    Chance Rain

  • Saturday Night

    Saturday Night: Rain. Low around 4. Chance of precipitation is 80%.

    Low: 4 °C

    Rain

  • Sunday

    Sunday: A chance of showers before 1pm. Partly sunny, with a high near 13. Chance of precipitation is 40%.

    High: 13 °C

    Chance
    Showers

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 1.

    Low: 1 °C

    Mostly Cloudy

Detailed Forecast

Tonight
Cloudy, then gradually becoming partly cloudy, with a low around 2. West wind 14 to 23 km/h, with gusts as high as 35 km/h.
Thursday
Partly sunny, with a high near 9. West wind 14 to 19 km/h increasing to 21 to 26 km/h in the afternoon. Winds could gust as high as 45 km/h.
Thursday Night
Partly cloudy, with a low around 0. West wind 10 to 18 km/h, with gusts as high as 34 km/h.
Friday
Partly sunny, with a high near 10. Northwest wind 10 to 16 km/h, with gusts as high as 32 km/h.
Friday Night
Partly cloudy, with a low around -1. Northwest wind 5 to 10 km/h becoming calm after midnight.
Saturday
A slight chance of rain after 1pm. Partly sunny, with a high near 11. Chance of precipitation is 20%.
Saturday Night
Rain. Low around 4. Chance of precipitation is 80%.
Sunday
A chance of showers before 1pm. Partly sunny, with a high near 13. Chance of precipitation is 40%.
Sunday Night
Mostly cloudy, with a low around 1.
Monday
Partly sunny, with a high near 8.
Monday Night
Mostly cloudy, with a low around -1.
Tuesday
A chance of rain. Mostly cloudy, with a high near 9. Chance of precipitation is 30%.
Tuesday Night
Mostly cloudy, with a low around 1.
Wednesday
Partly sunny, with a high near 11.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
South Williamsport PA
 41.24°N 76.99°W (Elev. 492 m)
Last Update:
4:13 pm EST Nov 12, 2025
Forecast Valid:
4pm EST Nov 12, 2025-6pm EST Nov 19, 2025
 
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