National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Williamsport - Lycoming County Airport (KIPT)

Lat: 41.24°NLon: 76.92°WElev: 522ft.

Overcast

30°F

-1°C

Humidity 92%
Wind Speed Calm
Barometer 30.23 in (1024.1 mb)
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Last update 20 Nov 4:54 am EST
Extended Forecast for

South Williamsport PA

Dense Fog Advisory November 20, 05:10am until November 20, 09:00am
Click here for hazard details and duration
...
  •  
    Dense Fog Advisory November 20, 05:10am until November 20, 09:00am

    NOW until 9:00am Thu

    Dense Fog Advisory

  • Today

    High: 47 °F

    Areas Dense
    Fog then
    Mostly Cloudy

  • Tonight

    Tonight: Patchy fog after 1am. Otherwise, cloudy, with a low around 36. Calm wind.

    Low: 36 °F

    Cloudy then
    Patchy Fog

  • Friday

    Friday: A slight chance of rain after 1pm. Patchy fog before 8am. Otherwise, cloudy, with a high near 53. Calm wind becoming south around 6 mph in the afternoon. Chance of precipitation is 20%.

    High: 53 °F

    Patchy Fog
    then Slight
    Chance Rain

  • Friday Night

    Friday Night: A chance of rain, mainly before 4am. Cloudy, with a low around 37. Calm wind becoming northwest around 5 mph after midnight. Chance of precipitation is 40%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 37 °F

    Chance Rain

  • Saturday

    Saturday: Partly sunny, with a high near 49. North wind 6 to 8 mph.

    High: 49 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 27.

    Low: 27 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 50.

    High: 50 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 34.

    Low: 34 °F

    Partly Cloudy

Detailed Forecast

Today
Areas of dense fog before 8am. Otherwise, mostly cloudy, with a high near 47. Light and variable wind.
Tonight
Patchy fog after 1am. Otherwise, cloudy, with a low around 36. Calm wind.
Friday
A slight chance of rain after 1pm. Patchy fog before 8am. Otherwise, cloudy, with a high near 53. Calm wind becoming south around 6 mph in the afternoon. Chance of precipitation is 20%.
Friday Night
A chance of rain, mainly before 4am. Cloudy, with a low around 37. Calm wind becoming northwest around 5 mph after midnight. Chance of precipitation is 40%. New precipitation amounts between a tenth and quarter of an inch possible.
Saturday
Partly sunny, with a high near 49. North wind 6 to 8 mph.
Saturday Night
Partly cloudy, with a low around 27.
Sunday
Mostly sunny, with a high near 50.
Sunday Night
Partly cloudy, with a low around 34.
Monday
Mostly sunny, with a high near 54.
Monday Night
Mostly cloudy, with a low around 34.
Tuesday
A chance of rain. Cloudy, with a high near 50. Chance of precipitation is 50%.
Tuesday Night
Rain likely. Cloudy, with a low around 41. Chance of precipitation is 60%.
Wednesday
Mostly cloudy, with a high near 58.
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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:
4:51 am EST Nov 20, 2025
Forecast Valid:
5am EST Nov 20, 2025-6pm EST Nov 26, 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