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.

Mostly Cloudy

32°F

0°C

Humidity 59%
Wind Speed W 14 G 22 mph
Barometer 30.21 in (1023.6 mb)
Dewpoint 19°F (-7°C)
Visibility 10.00 mi
Wind Chill22°F (-6°C)
Last update 12 Jan 9:54 am EST
Extended Forecast for

South Williamsport PA

  • Today

    Today: Partly sunny, with a high near 39. West wind around 11 mph, with gusts as high as 24 mph.

    High: 39 °F

    Partly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 28. Southwest wind 3 to 6 mph.

    Low: 28 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 43. Southwest wind 3 to 8 mph.

    High: 43 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 35. South wind around 6 mph.

    Low: 35 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A chance of rain. Mostly cloudy, with a high near 44. Southwest wind around 6 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.

    High: 44 °F

    Chance Rain

  • Wednesday Night

    Wednesday Night: Rain likely before 4am, then snow likely. Mostly cloudy, with a low around 27. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.

    Low: 27 °F

    Chance Rain
    then
    Rain/Snow
    Likely

  • Thursday

    Thursday: Snow likely, mainly before 7am. Mostly cloudy, with a high near 32. Chance of precipitation is 60%.

    High: 32 °F

    Snow Likely

  • Thursday Night

    Thursday Night: A chance of snow before 1am. Mostly cloudy, with a low around 17. Chance of precipitation is 30%.

    Low: 17 °F

    Chance Snow

  • Friday

    Friday: Mostly sunny, with a high near 30.

    High: 30 °F

    Mostly Sunny

Detailed Forecast

Today
Partly sunny, with a high near 39. West wind around 11 mph, with gusts as high as 24 mph.
Tonight
Partly cloudy, with a low around 28. Southwest wind 3 to 6 mph.
Tuesday
Partly sunny, with a high near 43. Southwest wind 3 to 8 mph.
Tuesday Night
Mostly cloudy, with a low around 35. South wind around 6 mph.
Wednesday
A chance of rain. Mostly cloudy, with a high near 44. Southwest wind around 6 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday Night
Rain likely before 4am, then snow likely. Mostly cloudy, with a low around 27. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.
Thursday
Snow likely, mainly before 7am. Mostly cloudy, with a high near 32. Chance of precipitation is 60%.
Thursday Night
A chance of snow before 1am. Mostly cloudy, with a low around 17. Chance of precipitation is 30%.
Friday
Mostly sunny, with a high near 30.
Friday Night
Mostly cloudy, with a low around 19.
Saturday
Partly sunny, with a high near 35.
Saturday Night
Mostly cloudy, with a low around 19.
Sunday
Partly sunny, with a high near 28.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
South Williamsport PA
 41.24°N 77.02°W (Elev. 594 ft)
Last Update:
7:34 am EST Jan 12, 2026
Forecast Valid:
10am EST Jan 12, 2026-6pm EST Jan 18, 2026
 
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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