National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Cortland County-Chase Field (KN03)

Lat: 42.59°NLon: 76.21°WElev: 1198ft.

Overcast

70°F

21°C

Humidity 78%
Wind Speed Calm
Barometer 29.91 in
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Last update 30 Jul 2:15 pm EDT
Extended Forecast for

Marathon NY

  • This Afternoon

    This Afternoon: A chance of showers and thunderstorms. Partly sunny, with a high near 76. North wind around 8 mph. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 76 °F

    Chance
    T-storms

  • Tonight

    Tonight: A chance of showers and thunderstorms, mainly before 7pm. Patchy fog after 1am. Otherwise, partly cloudy, with a low around 54. Northwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 54 °F

    Chance
    T-storms then
    Patchy Fog

  • Friday

    Friday: Patchy fog before 9am. Otherwise, mostly sunny, with a high near 81. Calm wind becoming northwest around 6 mph in the afternoon.

    High: 81 °F

    Patchy Fog
    then Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 55. Calm wind.

    Low: 55 °F

    Partly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 84. Calm wind becoming south around 6 mph in the afternoon.

    High: 84 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: A slight chance of showers after 2am. Mostly cloudy, with a low around 62. Chance of precipitation is 20%.

    Low: 62 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Sunday

    Sunday: Showers and possibly a thunderstorm, mainly after 2pm. High near 77. Chance of precipitation is 80%.

    High: 77 °F

    Showers

  • Sunday Night

    Sunday Night: Showers and possibly a thunderstorm before 2am, then a chance of showers. Low around 60. Chance of precipitation is 80%.

    Low: 60 °F

    Showers

  • Monday

    Monday: A chance of showers before 2pm. Mostly cloudy, with a high near 77. Chance of precipitation is 40%.

    High: 77 °F

    Chance
    Showers

Detailed Forecast

This Afternoon
A chance of showers and thunderstorms. Partly sunny, with a high near 76. North wind around 8 mph. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
A chance of showers and thunderstorms, mainly before 7pm. Patchy fog after 1am. Otherwise, partly cloudy, with a low around 54. Northwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday
Patchy fog before 9am. Otherwise, mostly sunny, with a high near 81. Calm wind becoming northwest around 6 mph in the afternoon.
Friday Night
Partly cloudy, with a low around 55. Calm wind.
Saturday
Partly sunny, with a high near 84. Calm wind becoming south around 6 mph in the afternoon.
Saturday Night
A slight chance of showers after 2am. Mostly cloudy, with a low around 62. Chance of precipitation is 20%.
Sunday
Showers and possibly a thunderstorm, mainly after 2pm. High near 77. Chance of precipitation is 80%.
Sunday Night
Showers and possibly a thunderstorm before 2am, then a chance of showers. Low around 60. Chance of precipitation is 80%.
Monday
A chance of showers before 2pm. Mostly cloudy, with a high near 77. Chance of precipitation is 40%.
Monday Night
Partly cloudy, with a low around 55.
Tuesday
Mostly sunny, with a high near 81.
Tuesday Night
Partly cloudy, with a low around 58.
Wednesday
A chance of showers. Mostly sunny, with a high near 84. Chance of precipitation is 40%.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Marathon NY
 42.44°N 76.03°W (Elev. 1099 ft)
Last Update:
2:30 pm EDT Jul 30, 2026
Forecast Valid:
2pm EDT Jul 30, 2026-6pm EDT Aug 5, 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