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

63°F

17°C

Humidity 65%
Wind Speed N 3 mph
Barometer 30.01 in (1016.2 mb)
Dewpoint 51°F (11°C)
Visibility 10.00 mi
Last update 28 Aug 9:54 pm EDT
Extended Forecast for

South Williamsport PA

  • Tonight

    Tonight: A chance of showers, mainly after 11pm. Mostly cloudy, with a low around 57. Light southwest wind. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 57 °F

    Chance
    Showers

  • Friday

    Friday: Mostly sunny, with a high near 73. Light west wind becoming northwest 5 to 9 mph in the morning.

    High: 73 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 47. Northwest wind around 6 mph becoming calm after midnight.

    Low: 47 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 75. Calm wind becoming northwest around 6 mph in the afternoon.

    High: 75 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 48. Light northwest wind.

    Low: 48 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 77.

    High: 77 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 52.

    Low: 52 °F

    Mostly Clear

  • Labor Day

    Labor Day: Sunny, with a high near 79.

    High: 79 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 53.

    Low: 53 °F

    Mostly Clear

Detailed Forecast

Tonight
A chance of showers, mainly after 11pm. Mostly cloudy, with a low around 57. Light southwest wind. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.
Friday
Mostly sunny, with a high near 73. Light west wind becoming northwest 5 to 9 mph in the morning.
Friday Night
Mostly clear, with a low around 47. Northwest wind around 6 mph becoming calm after midnight.
Saturday
Sunny, with a high near 75. Calm wind becoming northwest around 6 mph in the afternoon.
Saturday Night
Mostly clear, with a low around 48. Light northwest wind.
Sunday
Sunny, with a high near 77.
Sunday Night
Mostly clear, with a low around 52.
Labor Day
Sunny, with a high near 79.
Monday Night
Mostly clear, with a low around 53.
Tuesday
Sunny, with a high near 79.
Tuesday Night
Partly cloudy, with a low around 54.
Wednesday
Mostly sunny, with a high near 79.
Wednesday Night
Partly cloudy, with a low around 57.
Thursday
A chance of showers. Mostly sunny, with a high near 78. Chance of precipitation is 40%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
South Williamsport PA
 41.24°N 76.99°W (Elev. 492 ft)
Last Update:
9:55 pm EDT Aug 28, 2025
Forecast Valid:
10pm EDT Aug 28, 2025-6pm EDT Sep 4, 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