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.

Fair

82°F

28°C

Humidity 37%
Wind Speed E 8 mph
Barometer 30.20 in (1022.2 mb)
Dewpoint 53°F (12°C)
Visibility 10.00 mi
Heat Index81°F (27°C)
Last update 9 Aug 1:54 pm EDT
Extended Forecast for

South Williamsport PA

  • This Afternoon

    This Afternoon: Sunny, with a high near 84. Light southeast wind.

    High: 84 °F

    Sunny

  • Tonight

    Tonight: Patchy fog after 3am. Otherwise, mostly clear, with a low around 56. Calm wind.

    Low: 56 °F

    Clear then
    Patchy Fog

  • Sunday

    Sunday: Patchy fog before 9am. Otherwise, sunny, with a high near 87. Calm wind becoming southeast around 5 mph in the afternoon.

    High: 87 °F

    Patchy Fog
    then Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 57. Calm wind.

    Low: 57 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 88. Calm wind becoming south around 6 mph in the afternoon.

    High: 88 °F

    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 61.

    Low: 61 °F

    Clear

  • Tuesday

    Tuesday: Sunny and hot, with a high near 92.

    High: 92 °F

    Hot

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 68.

    Low: 68 °F

    Mostly Clear

  • Wednesday

    Wednesday: A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 91. Chance of precipitation is 50%.

    High: 91 °F

    Mostly Sunny
    then Chance
    T-storms

Detailed Forecast

This Afternoon
Sunny, with a high near 84. Light southeast wind.
Tonight
Patchy fog after 3am. Otherwise, mostly clear, with a low around 56. Calm wind.
Sunday
Patchy fog before 9am. Otherwise, sunny, with a high near 87. Calm wind becoming southeast around 5 mph in the afternoon.
Sunday Night
Clear, with a low around 57. Calm wind.
Monday
Sunny, with a high near 88. Calm wind becoming south around 6 mph in the afternoon.
Monday Night
Clear, with a low around 61.
Tuesday
Sunny and hot, with a high near 92.
Tuesday Night
Mostly clear, with a low around 68.
Wednesday
A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 91. Chance of precipitation is 50%.
Wednesday Night
A chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 68. Chance of precipitation is 30%.
Thursday
A chance of showers. Mostly sunny, with a high near 88. Chance of precipitation is 30%.
Thursday Night
A chance of showers. Partly cloudy, with a low around 66. Chance of precipitation is 30%.
Friday
A chance of showers. Mostly sunny, with a high near 86. Chance of precipitation is 30%.
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ABOUT THIS FORECAST

 
Point Forecast:
South Williamsport PA
 41.24°N 76.99°W (Elev. 492 ft)
Last Update:
12:45 pm EDT Aug 9, 2025
Forecast Valid:
2pm EDT Aug 9, 2025-6pm EDT Aug 15, 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