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.

Mostly Cloudy

10°F

-12°C

Humidity 92%
Wind Speed Calm
Barometer 29.95 in
Dewpoint 9°F (-13°C)
Visibility 10.00 mi
Last update 27 Feb 2:15 am EST
Extended Forecast for

Marathon NY

  • Overnight

    Overnight: Mostly cloudy, with a low around 8. Calm wind.

    Low: 8 °F

    Mostly Cloudy

  • Friday

    Friday: Sunny, with a high near 42. Calm wind becoming southwest 5 to 7 mph in the morning.

    High: 42 °F

    Sunny

  • Friday Night

    Friday Night: Increasing clouds, with a low around 30. South wind 6 to 10 mph.

    Low: 30 °F

    Increasing
    Clouds

  • Saturday

    Saturday: A slight chance of rain before 1pm. Partly sunny, with a high near 46. Southwest wind 7 to 10 mph becoming northwest in the afternoon. Chance of precipitation is 20%.

    High: 46 °F

    Slight Chance
    Rain

  • Saturday Night

    Saturday Night: Snow likely after 1am. Mostly cloudy, with a low around 20. North wind around 6 mph. Chance of precipitation is 60%.

    Low: 20 °F

    Mostly Cloudy
    then Snow
    Likely

  • Sunday

    Sunday: A chance of snow before 1pm. Mostly cloudy, with a high near 25. Chance of precipitation is 30%.

    High: 25 °F

    Chance Snow

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 5.

    Low: 5 °F

    Partly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 22.

    High: 22 °F

    Partly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 9.

    Low: 9 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a low around 8. Calm wind.
Friday
Sunny, with a high near 42. Calm wind becoming southwest 5 to 7 mph in the morning.
Friday Night
Increasing clouds, with a low around 30. South wind 6 to 10 mph.
Saturday
A slight chance of rain before 1pm. Partly sunny, with a high near 46. Southwest wind 7 to 10 mph becoming northwest in the afternoon. Chance of precipitation is 20%.
Saturday Night
Snow likely after 1am. Mostly cloudy, with a low around 20. North wind around 6 mph. Chance of precipitation is 60%.
Sunday
A chance of snow before 1pm. Mostly cloudy, with a high near 25. Chance of precipitation is 30%.
Sunday Night
Partly cloudy, with a low around 5.
Monday
Partly sunny, with a high near 22.
Monday Night
Partly cloudy, with a low around 9.
Tuesday
A chance of snow after 1pm. Partly sunny, with a high near 34. Chance of precipitation is 30%.
Tuesday Night
Rain and snow likely. Mostly cloudy, with a low around 26. Chance of precipitation is 60%.
Wednesday
Partly sunny, with a high near 41.
Wednesday Night
A chance of rain. Mostly cloudy, with a low around 29. Chance of precipitation is 30%.
Thursday
Rain likely. Mostly cloudy, with a high near 47. Chance of precipitation is 60%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Marathon NY
 42.44°N 76°W (Elev. 1486 ft)
Last Update:
1:37 am EST Feb 27, 2026
Forecast Valid:
2am EST Feb 27, 2026-6pm EST Mar 5, 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