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

74°F

23°C

Humidity 67%
Wind Speed NA
Barometer 29.88 in (1011.4 mb)
Dewpoint 62°F (17°C)
Visibility 10.00 mi
Last update 13 Oct 12:54 pm EDT
Extended Forecast for

South Williamsport PA

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 79. South wind 7 to 9 mph.

    High: 79 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 63. West wind 3 to 5 mph.

    Low: 63 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A slight chance of showers. Partly sunny, with a high near 77. Calm wind becoming west 5 to 9 mph in the morning. Chance of precipitation is 20%.

    High: 77 °F

    Slight Chance
    Showers

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 51. North wind 6 to 8 mph.

    Low: 51 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 67. North wind around 5 mph becoming calm in the morning.

    High: 67 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Showers. Low around 55. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 55 °F

    Showers
    Likely then
    Showers

  • Friday

    Friday: Showers, mainly before 2pm. High near 71. Breezy. Chance of precipitation is 80%.

    High: 71 °F

    Showers and
    Breezy

  • Friday Night

    Friday Night: A chance of showers before 8pm. Mostly cloudy, with a low around 38. Breezy. Chance of precipitation is 30%.

    Low: 38 °F

    Breezy.
    Chance
    Showers then
    Mostly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 51. Breezy.

    High: 51 °F

    Sunny and
    Breezy

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 79. South wind 7 to 9 mph.
Tonight
Partly cloudy, with a low around 63. West wind 3 to 5 mph.
Wednesday
A slight chance of showers. Partly sunny, with a high near 77. Calm wind becoming west 5 to 9 mph in the morning. Chance of precipitation is 20%.
Wednesday Night
Mostly cloudy, with a low around 51. North wind 6 to 8 mph.
Thursday
Mostly sunny, with a high near 67. North wind around 5 mph becoming calm in the morning.
Thursday Night
Showers. Low around 55. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday
Showers, mainly before 2pm. High near 71. Breezy. Chance of precipitation is 80%.
Friday Night
A chance of showers before 8pm. Mostly cloudy, with a low around 38. Breezy. Chance of precipitation is 30%.
Saturday
Sunny, with a high near 51. Breezy.
Saturday Night
Areas of frost after 1am. Otherwise, mostly clear, with a low around 34.
Sunday
Widespread frost. Otherwise, sunny, with a high near 61.
Sunday Night
Patchy frost. Otherwise, mostly clear, with a low around 35.
Monday
Patchy frost. Otherwise, mostly sunny, with a high near 64.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
South Williamsport PA
 41.24°N 76.99°W (Elev. 492 ft)
Last Update:
12:41 pm EDT Oct 13, 2026
Forecast Valid:
1pm EDT Oct 13, 2026-6pm EDT Oct 19, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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