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.

Fair

43°F

6°C

Humidity 93%
Wind Speed Calm
Barometer 30.47 in
Dewpoint 41°F (5°C)
Visibility 10.00 mi
Last update 10 Oct 9:35 am EDT
Extended Forecast for

Marathon NY

  • Today

    Today: Partly sunny, with a high near 64. Calm wind becoming southeast around 5 mph in the afternoon.

    High: 64 °F

    Partly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 44. Light southeast wind.

    Low: 44 °F

    Mostly Cloudy

  • Sunday

    Sunday: Showers likely, mainly between 11am and noon, then rain after noon. High near 58. Southeast wind 6 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.

    High: 58 °F

    Showers
    Likely then
    Rain

  • Sunday Night

    Sunday Night: Showers, mainly before 2am. Low around 50. East wind 5 to 7 mph becoming calm in the evening. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 50 °F

    Showers

  • Columbus Day

    Columbus Day: A chance of showers before 8am. Mostly cloudy, with a high near 65. Calm wind becoming northwest 5 to 7 mph in the morning. Chance of precipitation is 30%.

    High: 65 °F

    Chance
    Showers then
    Mostly Cloudy

  • Monday Night

    Monday Night: A chance of showers and thunderstorms after 2am. Mostly cloudy, with a low around 51. Chance of precipitation is 30%.

    Low: 51 °F

    Mostly Cloudy
    then Chance
    Showers

  • Tuesday

    Tuesday: A chance of showers, then showers and possibly a thunderstorm after 2pm. High near 67. Chance of precipitation is 80%.

    High: 67 °F

    Chance
    Showers then
    Showers

  • Tuesday Night

    Tuesday Night: Showers and possibly a thunderstorm before 8pm, then a chance of showers between 8pm and 2am. Low around 44. Chance of precipitation is 80%.

    Low: 44 °F

    Showers then
    Chance
    Showers

  • Wednesday

    Wednesday: Partly sunny, with a high near 58.

    High: 58 °F

    Partly Sunny

Detailed Forecast

Today
Partly sunny, with a high near 64. Calm wind becoming southeast around 5 mph in the afternoon.
Tonight
Mostly cloudy, with a low around 44. Light southeast wind.
Sunday
Showers likely, mainly between 11am and noon, then rain after noon. High near 58. Southeast wind 6 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.
Sunday Night
Showers, mainly before 2am. Low around 50. East wind 5 to 7 mph becoming calm in the evening. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Columbus Day
A chance of showers before 8am. Mostly cloudy, with a high near 65. Calm wind becoming northwest 5 to 7 mph in the morning. Chance of precipitation is 30%.
Monday Night
A chance of showers and thunderstorms after 2am. Mostly cloudy, with a low around 51. Chance of precipitation is 30%.
Tuesday
A chance of showers, then showers and possibly a thunderstorm after 2pm. High near 67. Chance of precipitation is 80%.
Tuesday Night
Showers and possibly a thunderstorm before 8pm, then a chance of showers between 8pm and 2am. Low around 44. Chance of precipitation is 80%.
Wednesday
Partly sunny, with a high near 58.
Wednesday Night
Partly cloudy, with a low around 37.
Thursday
Mostly sunny, with a high near 59.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 41. Chance of precipitation is 40%.
Friday
A chance of showers. Mostly cloudy, with a high near 59. Chance of precipitation is 50%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Marathon NY
 42.44°N 76.03°W (Elev. 1099 ft)
Last Update:
6:37 am EDT Oct 10, 2026
Forecast Valid:
10am EDT Oct 10, 2026-6pm EDT Oct 16, 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