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.

Partly Cloudy

77°F

25°C

Humidity 37%
Wind Speed W 15 G 25 mph
Barometer 29.83 in (1009.9 mb)
Dewpoint 49°F (9°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 20 Jun 12:54 pm EDT
Extended Forecast for

Montoursville PA

  • This Afternoon

    This Afternoon: A chance of showers and thunderstorms, mainly between 4pm and 5pm. Mostly sunny, with a high near 78. West wind around 11 mph, with gusts as high as 23 mph. Chance of precipitation is 30%.

    High: 78 °F

    Chance
    Showers

  • Tonight

    Tonight: A slight chance of showers and thunderstorms before 8pm, then a slight chance of showers between 8pm and 9pm. Patchy fog between 4am and 5am. Otherwise, mostly clear, with a low around 55. West wind around 5 mph becoming calm in the evening. Chance of precipitation is 20%.

    Low: 55 °F

    Slight Chance
    T-storms then
    Patchy Fog

  • Sunday

    Sunday: Patchy fog before 7am. Otherwise, mostly sunny, with a high near 80. Calm wind becoming northwest 5 to 7 mph in the morning.

    High: 80 °F

    Patchy Fog
    then Partly
    Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 57. Calm wind.

    Low: 57 °F

    Mostly Cloudy

  • Monday

    Monday: Showers, with thunderstorms also possible after 2pm. Some of the storms could produce heavy rainfall. High near 72. Calm wind becoming east around 6 mph in the morning. Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.

    High: 72 °F

    Heavy Rain

  • Monday Night

    Monday Night: Showers and possibly a thunderstorm before 2am, then a chance of showers. Low around 59. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 59 °F

    Showers

  • Tuesday

    Tuesday: A chance of showers before 8am. Partly sunny, with a high near 79. Chance of precipitation is 30%.

    High: 79 °F

    Chance
    Showers then
    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 55.

    Low: 55 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 81.

    High: 81 °F

    Sunny

Detailed Forecast

This Afternoon
A chance of showers and thunderstorms, mainly between 4pm and 5pm. Mostly sunny, with a high near 78. West wind around 11 mph, with gusts as high as 23 mph. Chance of precipitation is 30%.
Tonight
A slight chance of showers and thunderstorms before 8pm, then a slight chance of showers between 8pm and 9pm. Patchy fog between 4am and 5am. Otherwise, mostly clear, with a low around 55. West wind around 5 mph becoming calm in the evening. Chance of precipitation is 20%.
Sunday
Patchy fog before 7am. Otherwise, mostly sunny, with a high near 80. Calm wind becoming northwest 5 to 7 mph in the morning.
Sunday Night
Mostly cloudy, with a low around 57. Calm wind.
Monday
Showers, with thunderstorms also possible after 2pm. Some of the storms could produce heavy rainfall. High near 72. Calm wind becoming east around 6 mph in the morning. Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.
Monday Night
Showers and possibly a thunderstorm before 2am, then a chance of showers. Low around 59. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tuesday
A chance of showers before 8am. Partly sunny, with a high near 79. Chance of precipitation is 30%.
Tuesday Night
Mostly clear, with a low around 55.
Wednesday
Sunny, with a high near 81.
Wednesday Night
A chance of showers after 2am. Partly cloudy, with a low around 58. Chance of precipitation is 30%.
Thursday
Showers likely and possibly a thunderstorm. Partly sunny, with a high near 81. Chance of precipitation is 60%.
Thursday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 59. Chance of precipitation is 60%.
Friday
A chance of showers and thunderstorms. Partly sunny, with a high near 81. Chance of precipitation is 50%.
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ABOUT THIS FORECAST

 
Point Forecast:
Montoursville PA
 41.26°N 76.93°W (Elev. 531 ft)
Last Update:
12:40 pm EDT Jun 20, 2026
Forecast Valid:
1pm EDT Jun 20, 2026-6pm EDT Jun 26, 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