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

56°F

13°C

Humidity 51%
Wind Speed Calm
Barometer 30.35 in (1027.6 mb)
Dewpoint 38°F (3°C)
Visibility 10.00 mi
Last update 22 May 9:54 am EDT
Extended Forecast for

Williamsport PA

  • Today

    Today: Cloudy, with a high near 66. Southeast wind 3 to 7 mph.

    High: 66 °F

    Cloudy

  • Tonight

    Tonight: Rain likely, mainly after 4am. Cloudy, with a low around 47. East wind 5 to 7 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 47 °F

    Slight Chance
    Rain then
    Rain Likely

  • Saturday

    Saturday: Rain. High near 52. East wind 8 to 10 mph, with gusts as high as 23 mph. Chance of precipitation is 100%. New precipitation amounts between three quarters and one inch possible.

    High: 52 °F

    Rain

  • Saturday Night

    Saturday Night: Rain. Low around 46. Southeast wind 7 to 11 mph, with gusts as high as 25 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 46 °F

    Rain

  • Sunday

    Sunday: A chance of rain before 2pm. Cloudy, with a high near 67. Southeast wind 3 to 5 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.

    High: 67 °F

    Chance Rain

  • Sunday Night

    Sunday Night: A chance of showers, mainly after 2am. Patchy fog after midnight. Otherwise, cloudy, with a low around 55. Chance of precipitation is 50%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 55 °F

    Slight Chance
    Showers then
    Chance
    Showers and
    Patchy Fog

  • Memorial Day

    Memorial Day: Showers likely, mainly between 8am and 2pm. Areas of fog before 8am. Otherwise, mostly cloudy, with a high near 79. Chance of precipitation is 60%.

    High: 79 °F

    Showers
    Likely and
    Areas Fog

  • Monday Night

    Monday Night: A chance of showers before 8pm. Mostly cloudy, with a low around 56. Chance of precipitation is 30%.

    Low: 56 °F

    Chance
    Showers then
    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 83.

    High: 83 °F

    Mostly Cloudy

Detailed Forecast

Today
Cloudy, with a high near 66. Southeast wind 3 to 7 mph.
Tonight
Rain likely, mainly after 4am. Cloudy, with a low around 47. East wind 5 to 7 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Saturday
Rain. High near 52. East wind 8 to 10 mph, with gusts as high as 23 mph. Chance of precipitation is 100%. New precipitation amounts between three quarters and one inch possible.
Saturday Night
Rain. Low around 46. Southeast wind 7 to 11 mph, with gusts as high as 25 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Sunday
A chance of rain before 2pm. Cloudy, with a high near 67. Southeast wind 3 to 5 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.
Sunday Night
A chance of showers, mainly after 2am. Patchy fog after midnight. Otherwise, cloudy, with a low around 55. Chance of precipitation is 50%. New precipitation amounts between a tenth and quarter of an inch possible.
Memorial Day
Showers likely, mainly between 8am and 2pm. Areas of fog before 8am. Otherwise, mostly cloudy, with a high near 79. Chance of precipitation is 60%.
Monday Night
A chance of showers before 8pm. Mostly cloudy, with a low around 56. Chance of precipitation is 30%.
Tuesday
Mostly cloudy, with a high near 83.
Tuesday Night
Mostly cloudy, with a low around 58.
Wednesday
Partly sunny, with a high near 84.
Wednesday Night
Mostly cloudy, with a low around 58.
Thursday
Mostly sunny, with a high near 80.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Williamsport PA
 41.24°N 77.02°W (Elev. 594 ft)
Last Update:
8:33 am EDT May 22, 2026
Forecast Valid:
10am EDT May 22, 2026-6pm EDT May 28, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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