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

27°F

-3°C

Humidity 80%
Wind Speed Calm
Barometer 30.31 in
Dewpoint 21°F (-6°C)
Visibility 10.00 mi
Last update 25 Mar 4:35 am EDT
Extended Forecast for

Marathon NY

  • Today

    Today: Partly sunny, with a high near 49. Calm wind becoming south 5 to 7 mph in the afternoon.

    High: 49 °F

    Partly Sunny

  • Tonight

    Tonight: A chance of showers, mainly after 4am. Mostly cloudy, with a low around 38. South wind 8 to 10 mph. Chance of precipitation is 30%.

    Low: 38 °F

    Chance
    Showers

  • Thursday

    Thursday: Rain likely, with thunderstorms also possible after 5pm. Mostly cloudy, with a high near 62. Southwest wind 8 to 13 mph, with gusts as high as 24 mph. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 62 °F

    Slight Chance
    Rain then
    Rain Likely

  • Thursday Night

    Thursday Night: Rain before 5am, then snow likely, possibly mixed with rain. Some thunder is also possible. Low around 29. Southwest wind around 11 mph becoming northwest after midnight. Winds could gust as high as 21 mph. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.

    Low: 29 °F

    Rain then
    Rain/Snow

  • Friday

    Friday: Snow likely, possibly mixed with rain before 8am. Partly sunny, with a high near 35. Northwest wind 10 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 60%.

    High: 35 °F

    Rain/Snow
    Likely then
    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 17.

    Low: 17 °F

    Mostly Clear

  • Saturday

    Saturday: Partly sunny, with a high near 34.

    High: 34 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 21.

    Low: 21 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 43.

    High: 43 °F

    Mostly Sunny

Detailed Forecast

Today
Partly sunny, with a high near 49. Calm wind becoming south 5 to 7 mph in the afternoon.
Tonight
A chance of showers, mainly after 4am. Mostly cloudy, with a low around 38. South wind 8 to 10 mph. Chance of precipitation is 30%.
Thursday
Rain likely, with thunderstorms also possible after 5pm. Mostly cloudy, with a high near 62. Southwest wind 8 to 13 mph, with gusts as high as 24 mph. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday Night
Rain before 5am, then snow likely, possibly mixed with rain. Some thunder is also possible. Low around 29. Southwest wind around 11 mph becoming northwest after midnight. Winds could gust as high as 21 mph. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.
Friday
Snow likely, possibly mixed with rain before 8am. Partly sunny, with a high near 35. Northwest wind 10 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 60%.
Friday Night
Mostly clear, with a low around 17.
Saturday
Partly sunny, with a high near 34.
Saturday Night
Mostly cloudy, with a low around 21.
Sunday
Mostly sunny, with a high near 43.
Sunday Night
Mostly cloudy, with a low around 29.
Monday
A chance of rain. Mostly cloudy, with a high near 51. Chance of precipitation is 30%.
Monday Night
A chance of rain and snow. Mostly cloudy, with a low around 37. Chance of precipitation is 40%.
Tuesday
A chance of rain and snow. Mostly cloudy, with a high near 53. Chance of precipitation is 40%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Marathon NY
 42.44°N 76°W (Elev. 1486 ft)
Last Update:
2:30 am EDT Mar 25, 2026
Forecast Valid:
4am EDT Mar 25, 2026-6pm EDT Mar 31, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation