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.

Fog/Mist

41°F

5°C

Humidity 93%
Wind Speed NE 9 G 21 mph
Barometer 30.29 in (1026.0 mb)
Dewpoint 39°F (4°C)
Visibility 3.00 mi
Wind Chill35°F (2°C)
Last update 6 Mar 11:54 pm EST
Extended Forecast for

South Williamsport PA

  • Overnight

    Overnight: Patchy fog. Otherwise, cloudy, with a low around 40. Southeast wind around 7 mph.

    Low: 40 °F

    Patchy Fog

  • Saturday

    Saturday: A chance of showers and thunderstorms, mainly after 5pm. Patchy fog before 10am. Otherwise, mostly cloudy, with a high near 56. Southeast wind 6 to 9 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 56 °F

    Patchy Fog
    then Chance
    Showers

  • Saturday Night

    Saturday Night: Showers and thunderstorms before midnight, then a chance of showers after 1am. Low around 52. Southeast wind around 6 mph becoming southwest after midnight. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 52 °F

    Showers then
    Chance
    Showers

  • Sunday

    Sunday: Mostly cloudy through mid morning, then gradual clearing, with a high near 60. West wind 7 to 10 mph, with gusts as high as 21 mph.

    High: 60 °F

    Becoming
    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 38. West wind around 5 mph becoming calm in the evening.

    Low: 38 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 67.

    High: 67 °F

    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 44.

    Low: 44 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 67.

    High: 67 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Showers likely, mainly after 1am. Mostly cloudy, with a low around 51. Chance of precipitation is 60%.

    Low: 51 °F

    Chance
    Showers then
    Showers
    Likely

Detailed Forecast

Overnight
Patchy fog. Otherwise, cloudy, with a low around 40. Southeast wind around 7 mph.
Saturday
A chance of showers and thunderstorms, mainly after 5pm. Patchy fog before 10am. Otherwise, mostly cloudy, with a high near 56. Southeast wind 6 to 9 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday Night
Showers and thunderstorms before midnight, then a chance of showers after 1am. Low around 52. Southeast wind around 6 mph becoming southwest after midnight. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday
Mostly cloudy through mid morning, then gradual clearing, with a high near 60. West wind 7 to 10 mph, with gusts as high as 21 mph.
Sunday Night
Clear, with a low around 38. West wind around 5 mph becoming calm in the evening.
Monday
Sunny, with a high near 67.
Monday Night
Clear, with a low around 44.
Tuesday
Sunny, with a high near 67.
Tuesday Night
Showers likely, mainly after 1am. Mostly cloudy, with a low around 51. Chance of precipitation is 60%.
Wednesday
Showers. High near 66. Chance of precipitation is 80%.
Wednesday Night
Showers likely. Cloudy, with a low around 37. Chance of precipitation is 60%.
Thursday
Mostly cloudy, with a high near 47.
Thursday Night
Mostly cloudy, with a low around 28.
Friday
Partly sunny, with a high near 49.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
South Williamsport PA
 41.24°N 76.99°W (Elev. 492 ft)
Last Update:
11:10 pm EST Mar 6, 2026
Forecast Valid:
12am EST Mar 7, 2026-6pm EDT Mar 13, 2026
 
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