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

-2°C

28°F

Humidity 85%
Wind Speed Calm
Barometer 1016.6 mb (30.00 in)
Dewpoint -4°C (24°F)
Visibility 13 km
Last update 13 Dec 5:54 pm EST
Extended Forecast for

3 Miles NNE South Williamsport PA

  • Tonight

    Tonight: Snow showers likely, mainly before 11pm. Cloudy, with a low around -8. West wind 8 to 10 km/h. Chance of precipitation is 70%. Total nighttime snow accumulation of 1 to 2 centimeters possible.

    Low: -8 °C

    Snow Showers
    Likely then
    Chance Snow
    Showers

  • Sunday

    Sunday: Mostly cloudy, then gradually becoming sunny, with a high near -5. Northwest wind 16 to 23 km/h, with gusts as high as 39 km/h.

    High: -5 °C

    Decreasing
    Clouds

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around -11. Wind chill values as low as -20. Northwest wind 18 to 23 km/h, with gusts as high as 39 km/h.

    Low: -11 °C

    Partly Cloudy

  • Monday

    Monday: A chance of snow showers after 1pm. Increasing clouds, with a high near -2. West wind 13 to 16 km/h. Chance of precipitation is 30%.

    High: -2 °C

    Partly Sunny
    then Chance
    Snow Showers

  • Monday Night

    Monday Night: Mostly cloudy, with a low around -10. West wind 8 to 11 km/h.

    Low: -10 °C

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near -1.

    High: -1 °C

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around -7.

    Low: -7 °C

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 6.

    High: 6 °C

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around -3.

    Low: -3 °C

    Mostly Cloudy

Detailed Forecast

Tonight
Snow showers likely, mainly before 11pm. Cloudy, with a low around -8. West wind 8 to 10 km/h. Chance of precipitation is 70%. Total nighttime snow accumulation of 1 to 2 centimeters possible.
Sunday
Mostly cloudy, then gradually becoming sunny, with a high near -5. Northwest wind 16 to 23 km/h, with gusts as high as 39 km/h.
Sunday Night
Partly cloudy, with a low around -11. Wind chill values as low as -20. Northwest wind 18 to 23 km/h, with gusts as high as 39 km/h.
Monday
A chance of snow showers after 1pm. Increasing clouds, with a high near -2. West wind 13 to 16 km/h. Chance of precipitation is 30%.
Monday Night
Mostly cloudy, with a low around -10. West wind 8 to 11 km/h.
Tuesday
Mostly sunny, with a high near -1.
Tuesday Night
Mostly cloudy, with a low around -7.
Wednesday
Mostly cloudy, with a high near 6.
Wednesday Night
Mostly cloudy, with a low around -3.
Thursday
A chance of showers after 1pm. Mostly cloudy, with a high near 7. Chance of precipitation is 40%.
Thursday Night
Showers likely. Mostly cloudy, with a low around -2. Chance of precipitation is 70%.
Friday
Mostly sunny, with a high near 3.
Friday Night
Mostly cloudy, with a low around -6.
Saturday
A chance of showers. Mostly cloudy, with a high near 3. Chance of precipitation is 40%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NNE South Williamsport PA
 41.28°N 76.98°W (Elev. 699 m)
Last Update:
5:02 pm EST Dec 13, 2025
Forecast Valid:
6pm EST Dec 13, 2025-6pm EST Dec 20, 2025
 
Forecast Discussion
 
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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