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

60°F

16°C

Humidity 70%
Wind Speed W 12 mph
Barometer 29.86 in (1011.0 mb)
Dewpoint 50°F (10°C)
Visibility 10.00 mi
Last update 20 Jun 6:54 am EDT
Extended Forecast for

Montoursville PA

  • Today

    Today: A slight chance of showers between 3pm and 5pm, then a slight chance of showers and thunderstorms after 5pm. Mostly sunny, with a high near 78. West wind 7 to 11 mph, with gusts as high as 23 mph. Chance of precipitation is 20%.

    High: 78 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Tonight

    Tonight: Patchy fog after 3am. Otherwise, partly cloudy, with a low around 55. West wind around 5 mph becoming calm in the evening.

    Low: 55 °F

    Partly Cloudy
    then Patchy
    Fog

  • Sunday

    Sunday: Patchy fog before 8am. Otherwise, partly sunny, with a high near 81. Calm wind becoming west 5 to 7 mph in the morning.

    High: 81 °F

    Patchy Fog
    then Partly
    Sunny

  • Sunday Night

    Sunday Night: Rain likely after 2am. Mostly cloudy, with a low around 59. Calm wind. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 59 °F

    Mostly Cloudy
    then Rain
    Likely

  • Monday

    Monday: Rain, with thunderstorms also possible after 11am. High near 73. East wind around 6 mph. Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.

    High: 73 °F

    Rain

  • Monday Night

    Monday Night: A chance of rain and thunderstorms before 8pm, then a chance of rain between 8pm and 2am. Mostly cloudy, with a low around 58. Chance of precipitation is 50%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 58 °F

    Chance
    T-storms then
    Chance Rain

  • Tuesday

    Tuesday: Mostly sunny, with a high near 80.

    High: 80 °F

    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

Today
A slight chance of showers between 3pm and 5pm, then a slight chance of showers and thunderstorms after 5pm. Mostly sunny, with a high near 78. West wind 7 to 11 mph, with gusts as high as 23 mph. Chance of precipitation is 20%.
Tonight
Patchy fog after 3am. Otherwise, partly cloudy, with a low around 55. West wind around 5 mph becoming calm in the evening.
Sunday
Patchy fog before 8am. Otherwise, partly sunny, with a high near 81. Calm wind becoming west 5 to 7 mph in the morning.
Sunday Night
Rain likely after 2am. Mostly cloudy, with a low around 59. Calm wind. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Monday
Rain, with thunderstorms also possible after 11am. High near 73. East wind around 6 mph. Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.
Monday Night
A chance of rain and thunderstorms before 8pm, then a chance of rain between 8pm and 2am. Mostly cloudy, with a low around 58. Chance of precipitation is 50%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tuesday
Mostly sunny, with a high near 80.
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:
6:11 am EDT Jun 20, 2026
Forecast Valid:
7am EDT Jun 20, 2026-6pm EDT Jun 26, 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