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 W 5 mph
Barometer 30.05 in
Dewpoint 21°F (-6°C)
Visibility 10.00 mi
Wind Chill21°F (-6°C)
Last update 12 Jan 5:35 am EST
Extended Forecast for

Marathon NY

  • Overnight

    Overnight: Mostly cloudy, with a low around 22. West wind around 9 mph.

    Low: 22 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 36. Southwest wind 6 to 11 mph.

    High: 36 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 26. Southwest wind 3 to 5 mph.

    Low: 26 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 40. Light south wind increasing to 5 to 10 mph in the morning.

    High: 40 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: A slight chance of rain and snow showers before 1am, then a chance of rain showers. Cloudy, with a low around 33. South wind 6 to 9 mph, with gusts as high as 21 mph. Chance of precipitation is 40%.

    Low: 33 °F

    Chance
    Rain/Snow

  • Wednesday

    Wednesday: Showers, mainly after 1pm. High near 41. Chance of precipitation is 80%.

    High: 41 °F

    Chance
    Showers then
    Showers

  • Wednesday Night

    Wednesday Night: Rain showers before 1am, then snow showers. Low around 20. Chance of precipitation is 90%.

    Low: 20 °F

    Showers then
    Rain/Snow

  • Thursday

    Thursday: Snow showers, mainly before 1pm. High near 25. Chance of precipitation is 80%.

    High: 25 °F

    Snow Showers

  • Thursday Night

    Thursday Night: A chance of snow showers. Mostly cloudy, with a low around 11. Chance of precipitation is 50%.

    Low: 11 °F

    Chance Snow
    Showers

Detailed Forecast

Overnight
Mostly cloudy, with a low around 22. West wind around 9 mph.
Monday
Partly sunny, with a high near 36. Southwest wind 6 to 11 mph.
Monday Night
Mostly cloudy, with a low around 26. Southwest wind 3 to 5 mph.
Tuesday
Partly sunny, with a high near 40. Light south wind increasing to 5 to 10 mph in the morning.
Tuesday Night
A slight chance of rain and snow showers before 1am, then a chance of rain showers. Cloudy, with a low around 33. South wind 6 to 9 mph, with gusts as high as 21 mph. Chance of precipitation is 40%.
Wednesday
Showers, mainly after 1pm. High near 41. Chance of precipitation is 80%.
Wednesday Night
Rain showers before 1am, then snow showers. Low around 20. Chance of precipitation is 90%.
Thursday
Snow showers, mainly before 1pm. High near 25. Chance of precipitation is 80%.
Thursday Night
A chance of snow showers. Mostly cloudy, with a low around 11. Chance of precipitation is 50%.
Friday
A chance of snow showers before 1pm. Partly sunny, with a high near 24. Chance of precipitation is 30%.
Friday Night
Mostly cloudy, with a low around 12.
Saturday
A chance of snow showers. Mostly cloudy, with a high near 31. Chance of precipitation is 50%.
Saturday Night
A chance of snow showers. Mostly cloudy, with a low around 16. Chance of precipitation is 40%.
Sunday
A chance of snow showers. Partly sunny, with a high near 26. Chance of precipitation is 50%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Marathon NY
 42.44°N 76.03°W (Elev. 1099 ft)
Last Update:
4:58 am EST Jan 12, 2026
Forecast Valid:
5am EST Jan 12, 2026-6pm EST Jan 18, 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