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

63°F

17°C

Humidity 97%
Wind Speed Calm
Barometer 30.00 in (1015.5 mb)
Dewpoint 62°F (17°C)
Visibility 10.00 mi
Last update 28 Aug 6:54 am EDT
Extended Forecast for

Williamsport PA

  • Today

    Today: Areas of dense fog before 9am. Otherwise, partly sunny, with a high near 81. Calm wind becoming north 5 to 7 mph in the afternoon.

    High: 81 °F

    Areas Dense
    Fog then
    Mostly Sunny

  • Tonight

    Tonight: Patchy fog after 5am. Otherwise, mostly clear, with a low around 51. Light north wind.

    Low: 51 °F

    Mostly Clear
    then Patchy
    Fog

  • Saturday

    Saturday: Patchy fog before 8am. Otherwise, sunny, with a high near 81. Calm wind.

    High: 81 °F

    Patchy Fog
    then Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 57. Calm wind.

    Low: 57 °F

    Partly Cloudy

  • Sunday

    Sunday: Patchy fog before 8am. Otherwise, partly sunny, with a high near 84. Calm wind becoming southwest around 6 mph in the afternoon.

    High: 84 °F

    Patchy Fog
    then Partly
    Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 65.

    Low: 65 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 86.

    High: 86 °F

    Partly Sunny

  • Monday Night

    Monday Night: A chance of showers after 2am. Mostly cloudy, with a low around 67. Chance of precipitation is 30%.

    Low: 67 °F

    Mostly Cloudy
    then Chance
    Showers

  • Tuesday

    Tuesday: A chance of showers before 8am, then a chance of showers and thunderstorms after 2pm. Mostly cloudy, with a high near 87. Chance of precipitation is 40%.

    High: 87 °F

    Chance
    Showers then
    Chance
    T-storms

Detailed Forecast

Today
Areas of dense fog before 9am. Otherwise, partly sunny, with a high near 81. Calm wind becoming north 5 to 7 mph in the afternoon.
Tonight
Patchy fog after 5am. Otherwise, mostly clear, with a low around 51. Light north wind.
Saturday
Patchy fog before 8am. Otherwise, sunny, with a high near 81. Calm wind.
Saturday Night
Partly cloudy, with a low around 57. Calm wind.
Sunday
Patchy fog before 8am. Otherwise, partly sunny, with a high near 84. Calm wind becoming southwest around 6 mph in the afternoon.
Sunday Night
Mostly cloudy, with a low around 65.
Monday
Partly sunny, with a high near 86.
Monday Night
A chance of showers after 2am. Mostly cloudy, with a low around 67. Chance of precipitation is 30%.
Tuesday
A chance of showers before 8am, then a chance of showers and thunderstorms after 2pm. Mostly cloudy, with a high near 87. Chance of precipitation is 40%.
Tuesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 69. Chance of precipitation is 50%.
Wednesday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 84. Chance of precipitation is 60%.
Wednesday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 66. Chance of precipitation is 60%.
Thursday
Partly sunny, with a high near 84.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Williamsport PA
 41.25°N 77.05°W (Elev. 591 ft)
Last Update:
6:51 am EDT Aug 28, 2026
Forecast Valid:
7am EDT Aug 28, 2026-6pm EDT Sep 3, 2026
 
Forecast Discussion
 
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Additional Resources

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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