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.

Fair

24°F

-4°C

Humidity 77%
Wind Speed Calm
Barometer 30.08 in (1019.1 mb)
Dewpoint 18°F (-8°C)
Visibility 10.00 mi
Last update 13 Mar 5:54 am EDT
Extended Forecast for

South Williamsport PA

  • Today

    Today: A chance of rain and snow before 2pm, then a chance of rain between 2pm and 3pm, then a chance of rain and snow after 3pm. Increasing clouds, with a high near 46. Breezy, with a light south wind increasing to 15 to 20 mph in the morning. Winds could gust as high as 37 mph. Chance of precipitation is 50%. Little or no snow accumulation expected.

    High: 46 °F

    Chance Snow
    then Chance
    Rain/Snow and
    Breezy

  • Tonight

    Tonight: Rain likely, mainly before 8pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 31. West wind 13 to 18 mph, with gusts as high as 40 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 31 °F

    Rain Likely
    then Partly
    Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 47. Breezy, with a west wind 14 to 20 mph, with gusts as high as 37 mph.

    High: 47 °F

    Mostly Sunny
    and Breezy
    then Sunny

  • Saturday Night

    Saturday Night: A slight chance of snow after 2am. Increasing clouds, with a low around 31. Light and variable wind. Chance of precipitation is 20%.

    Low: 31 °F

    Partly Cloudy
    then Slight
    Chance Snow

  • Sunday

    Sunday: Cloudy, with a high near 51. Breezy, with a southeast wind 6 to 11 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 33 mph.

    High: 51 °F

    Cloudy then
    Mostly Cloudy
    and Breezy

  • Sunday Night

    Sunday Night: Rain likely, mainly after 2am. Cloudy, with a low around 44. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 44 °F

    Chance Rain
    then Rain
    Likely

  • Monday

    Monday: Rain likely before 8am, then showers, mainly after 8am. High near 65. Breezy. Chance of precipitation is 90%.

    High: 65 °F

    Showers and
    Breezy

  • Monday Night

    Monday Night: Rain showers before 2am, then a chance of rain and snow showers. Low around 27. Breezy. Chance of precipitation is 80%.

    Low: 27 °F

    Breezy.
    Showers then
    Rain/Snow
    Likely

  • Tuesday

    Tuesday: A chance of rain and snow showers before 8am. Mostly cloudy, with a high near 35. Breezy. Chance of precipitation is 30%.

    High: 35 °F

    Chance
    Rain/Snow
    then Partly
    Sunny and
    Breezy

Detailed Forecast

Today
A chance of rain and snow before 2pm, then a chance of rain between 2pm and 3pm, then a chance of rain and snow after 3pm. Increasing clouds, with a high near 46. Breezy, with a light south wind increasing to 15 to 20 mph in the morning. Winds could gust as high as 37 mph. Chance of precipitation is 50%. Little or no snow accumulation expected.
Tonight
Rain likely, mainly before 8pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 31. West wind 13 to 18 mph, with gusts as high as 40 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Saturday
Mostly sunny, with a high near 47. Breezy, with a west wind 14 to 20 mph, with gusts as high as 37 mph.
Saturday Night
A slight chance of snow after 2am. Increasing clouds, with a low around 31. Light and variable wind. Chance of precipitation is 20%.
Sunday
Cloudy, with a high near 51. Breezy, with a southeast wind 6 to 11 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 33 mph.
Sunday Night
Rain likely, mainly after 2am. Cloudy, with a low around 44. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Monday
Rain likely before 8am, then showers, mainly after 8am. High near 65. Breezy. Chance of precipitation is 90%.
Monday Night
Rain showers before 2am, then a chance of rain and snow showers. Low around 27. Breezy. Chance of precipitation is 80%.
Tuesday
A chance of rain and snow showers before 8am. Mostly cloudy, with a high near 35. Breezy. Chance of precipitation is 30%.
Tuesday Night
Mostly cloudy, with a low around 20.
Wednesday
Partly sunny, with a high near 39.
Wednesday Night
Mostly cloudy, with a low around 27.
Thursday
Mostly cloudy, with a high near 45.
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ABOUT THIS FORECAST

 
Point Forecast:
South Williamsport PA
 41.24°N 76.99°W (Elev. 492 ft)
Last Update:
6:06 am EDT Mar 13, 2026
Forecast Valid:
6am EDT Mar 13, 2026-6pm EDT Mar 19, 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