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 93%
Wind Speed N 3 mph
Barometer 29.94 in (1013.6 mb)
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Last update 19 Aug 1:54 am EDT
Extended Forecast for

Williamsport PA

  • Overnight

    Overnight: Patchy fog between 4am and 5am. Otherwise, partly cloudy, with a low around 59. Calm wind.

    Low: 59 °F

    Patchy Fog

  • Wednesday

    Wednesday: Patchy fog before 8am. Otherwise, increasing clouds, with a high near 85. Calm wind becoming west 5 to 9 mph in the afternoon.

    High: 85 °F

    Patchy Fog
    then Mostly
    Sunny

  • Wednesday Night

    Wednesday Night: Patchy fog after 3am. Otherwise, partly cloudy, with a low around 62. Light west wind.

    Low: 62 °F

    Mostly Cloudy
    then Patchy
    Fog

  • Thursday

    Thursday: Showers likely, mainly between 10am and noon. Patchy fog before 8am. Otherwise, mostly cloudy, with a high near 79. Light and variable wind. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 79 °F

    Showers
    Likely and
    Patchy Fog

  • Thursday Night

    Thursday Night: Patchy fog after 4am. Otherwise, partly cloudy, with a low around 57. Calm wind.

    Low: 57 °F

    Partly Cloudy
    then Patchy
    Fog

  • Friday

    Friday: Patchy fog before 7am. Otherwise, sunny, with a high near 83.

    High: 83 °F

    Patchy Fog
    then Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 60.

    Low: 60 °F

    Partly Cloudy

  • Saturday

    Saturday: A chance of showers after 2pm. Partly sunny, with a high near 81. Chance of precipitation is 50%.

    High: 81 °F

    Mostly Sunny
    then Chance
    Showers

  • Saturday Night

    Saturday Night: Showers likely, mainly between 8pm and 2am. Mostly cloudy, with a low around 62. Chance of precipitation is 60%.

    Low: 62 °F

    Showers
    Likely

Detailed Forecast

Overnight
Patchy fog between 4am and 5am. Otherwise, partly cloudy, with a low around 59. Calm wind.
Wednesday
Patchy fog before 8am. Otherwise, increasing clouds, with a high near 85. Calm wind becoming west 5 to 9 mph in the afternoon.
Wednesday Night
Patchy fog after 3am. Otherwise, partly cloudy, with a low around 62. Light west wind.
Thursday
Showers likely, mainly between 10am and noon. Patchy fog before 8am. Otherwise, mostly cloudy, with a high near 79. Light and variable wind. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday Night
Patchy fog after 4am. Otherwise, partly cloudy, with a low around 57. Calm wind.
Friday
Patchy fog before 7am. Otherwise, sunny, with a high near 83.
Friday Night
Partly cloudy, with a low around 60.
Saturday
A chance of showers after 2pm. Partly sunny, with a high near 81. Chance of precipitation is 50%.
Saturday Night
Showers likely, mainly between 8pm and 2am. Mostly cloudy, with a low around 62. Chance of precipitation is 60%.
Sunday
A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 81. Chance of precipitation is 30%.
Sunday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 57. Chance of precipitation is 30%.
Monday
Mostly sunny, with a high near 80.
Monday Night
Mostly clear, with a low around 57.
Tuesday
Mostly sunny, with a high near 81.
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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:
2:21 am EDT Aug 19, 2026
Forecast Valid:
2am EDT Aug 19, 2026-6pm EDT Aug 25, 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