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

67°F

19°C

Humidity 57%
Wind Speed W 12 mph
Barometer 29.86 in (1010.8 mb)
Dewpoint 51°F (11°C)
Visibility 10.00 mi
Last update 20 Jun 8:54 am EDT
Extended Forecast for

South Branch PA

  • Today

    Today: Mostly sunny, with a high near 74. Northwest wind around 11 mph, with gusts as high as 24 mph.

    High: 74 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 54. Northwest wind around 5 mph becoming calm in the evening.

    Low: 54 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 76. Northwest wind 3 to 6 mph.

    High: 76 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Showers likely after 2am. Mostly cloudy, with a low around 56. Calm wind. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 56 °F

    Mostly Cloudy
    then Showers
    Likely

  • Monday

    Monday: Showers, with thunderstorms also possible after 11am. High near 69. Southeast wind 5 to 7 mph. Chance of precipitation is 100%.

    High: 69 °F

    Showers

  • Monday Night

    Monday Night: A chance of showers, mainly before 2am. Mostly cloudy, with a low around 56. Chance of precipitation is 50%.

    Low: 56 °F

    Chance
    Showers

  • Tuesday

    Tuesday: Mostly sunny, with a high near 74.

    High: 74 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 54.

    Low: 54 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 77.

    High: 77 °F

    Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 74. Northwest wind around 11 mph, with gusts as high as 24 mph.
Tonight
Partly cloudy, with a low around 54. Northwest wind around 5 mph becoming calm in the evening.
Sunday
Partly sunny, with a high near 76. Northwest wind 3 to 6 mph.
Sunday Night
Showers likely after 2am. Mostly cloudy, with a low around 56. Calm wind. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Monday
Showers, with thunderstorms also possible after 11am. High near 69. Southeast wind 5 to 7 mph. Chance of precipitation is 100%.
Monday Night
A chance of showers, mainly before 2am. Mostly cloudy, with a low around 56. Chance of precipitation is 50%.
Tuesday
Mostly sunny, with a high near 74.
Tuesday Night
Mostly clear, with a low around 54.
Wednesday
Sunny, with a high near 77.
Wednesday Night
A chance of showers after 2am. Partly cloudy, with a low around 57. Chance of precipitation is 30%.
Thursday
Showers likely and possibly a thunderstorm. Partly sunny, with a high near 77. Chance of precipitation is 60%.
Thursday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 58. Chance of precipitation is 60%.
Friday
Showers likely and possibly a thunderstorm. Partly sunny, with a high near 77. Chance of precipitation is 60%.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
South Branch PA
 41.67°N 76.44°W (Elev. 1371 ft)
Last Update:
6:10 am EDT Jun 20, 2026
Forecast Valid:
9am EDT Jun 20, 2026-6pm EDT Jun 26, 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