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

60°F

16°C

Humidity 80%
Wind Speed E 10 mph
Barometer 30.14 in (1020.6 mb)
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Last update 24 May 6:54 pm EDT
Extended Forecast for

South Williamsport PA

  • Tonight

    Tonight: Showers, mainly after 11pm. Patchy fog after 5am. Low around 55. East wind around 5 mph becoming calm in the evening. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 55 °F

    Showers
    Likely then
    Showers and
    Patchy Fog

  • Memorial Day

    Memorial Day: A chance of showers, mainly before 8am. Patchy fog before 9am. Otherwise, mostly cloudy, with a high near 80. Light and variable wind. Chance of precipitation is 30%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 80 °F

    Chance
    Showers and
    Patchy Fog
    then Mostly
    Cloudy

  • Monday Night

    Monday Night: Areas of dense fog after 2am. Otherwise, mostly cloudy, with a low around 55. Calm wind.

    Low: 55 °F

    Mostly Cloudy
    then Areas
    Dense Fog

  • Tuesday

    Tuesday: Patchy fog before 7am. Otherwise, partly sunny, with a high near 83. Calm wind.

    High: 83 °F

    Patchy Fog
    then Partly
    Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 59. Calm wind.

    Low: 59 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 86.

    High: 86 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 58.

    Low: 58 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 76.

    High: 76 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 51.

    Low: 51 °F

    Mostly Clear

Detailed Forecast

Tonight
Showers, mainly after 11pm. Patchy fog after 5am. Low around 55. East wind around 5 mph becoming calm in the evening. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Memorial Day
A chance of showers, mainly before 8am. Patchy fog before 9am. Otherwise, mostly cloudy, with a high near 80. Light and variable wind. Chance of precipitation is 30%. New precipitation amounts between a tenth and quarter of an inch possible.
Monday Night
Areas of dense fog after 2am. Otherwise, mostly cloudy, with a low around 55. Calm wind.
Tuesday
Patchy fog before 7am. Otherwise, partly sunny, with a high near 83. Calm wind.
Tuesday Night
Mostly cloudy, with a low around 59. Calm wind.
Wednesday
Partly sunny, with a high near 86.
Wednesday Night
Mostly cloudy, with a low around 58.
Thursday
Mostly sunny, with a high near 76.
Thursday Night
Mostly clear, with a low around 51.
Friday
Sunny, with a high near 77.
Friday Night
Mostly clear, with a low around 50.
Saturday
Mostly sunny, with a high near 75.
Saturday Night
Partly cloudy, with a low around 52.
Sunday
Mostly sunny, with a high near 72.
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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:
6:03 pm EDT May 24, 2026
Forecast Valid:
7pm EDT May 24, 2026-6pm EDT May 31, 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