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.

A Few Clouds

73°F

23°C

Humidity 87%
Wind Speed NW 3 mph
Barometer 29.60 in (1001.9 mb)
Dewpoint 69°F (21°C)
Visibility 10.00 mi
Last update 28 Jul 4:54 pm EDT
Extended Forecast for

South Williamsport PA

  • This Afternoon

    This Afternoon: Showers and thunderstorms likely. Cloudy, with a high near 74. Southeast wind around 5 mph. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 74 °F

    T-storms
    Likely

  • Tonight

    Tonight: Showers and thunderstorms likely before 11pm, then a slight chance of showers between 11pm and midnight. Mostly cloudy, with a low around 62. Calm wind becoming northwest 5 to 7 mph after midnight. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 62 °F

    T-storms
    Likely then
    Partly Cloudy

  • Wednesday

    Wednesday: A chance of showers and thunderstorms, mainly after 5pm. Partly sunny, with a high near 76. Northwest wind 9 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 76 °F

    Mostly Sunny
    then Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms, mainly before 9pm. Mostly cloudy, with a low around 62. Northwest wind 11 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 62 °F

    Chance
    T-storms then
    Mostly Cloudy

  • Thursday

    Thursday: A slight chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 78. North wind around 14 mph, with gusts as high as 24 mph. Chance of precipitation is 20%.

    High: 78 °F

    Mostly Cloudy
    then Slight
    Chance
    T-storms

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 60.

    Low: 60 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 82.

    High: 82 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 63.

    Low: 63 °F

    Partly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 84.

    High: 84 °F

    Partly Sunny

Detailed Forecast

This Afternoon
Showers and thunderstorms likely. Cloudy, with a high near 74. Southeast wind around 5 mph. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
Showers and thunderstorms likely before 11pm, then a slight chance of showers between 11pm and midnight. Mostly cloudy, with a low around 62. Calm wind becoming northwest 5 to 7 mph after midnight. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday
A chance of showers and thunderstorms, mainly after 5pm. Partly sunny, with a high near 76. Northwest wind 9 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
A chance of showers and thunderstorms, mainly before 9pm. Mostly cloudy, with a low around 62. Northwest wind 11 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday
A slight chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 78. North wind around 14 mph, with gusts as high as 24 mph. Chance of precipitation is 20%.
Thursday Night
Partly cloudy, with a low around 60.
Friday
Mostly sunny, with a high near 82.
Friday Night
Partly cloudy, with a low around 63.
Saturday
Partly sunny, with a high near 84.
Saturday Night
A chance of showers before 2am. Mostly cloudy, with a low around 66. Chance of precipitation is 30%.
Sunday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 79. Chance of precipitation is 60%.
Sunday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 66. Chance of precipitation is 60%.
Monday
A chance of showers and thunderstorms. Partly sunny, with a high near 80. Chance of precipitation is 40%.
Monday Night
A chance of thunderstorms. Partly cloudy, with a low around 65. Chance of precipitation is 30%.
Tuesday
A chance of showers. Mostly sunny, with a high near 83.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
South Williamsport PA
 41.22°N 77°W (Elev. 1247 ft)
Last Update:
4:27 pm EDT Jul 28, 2026
Forecast Valid:
5pm EDT Jul 28, 2026-6pm EDT Aug 4, 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