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

25°F

-4°C

Humidity 74%
Wind Speed Calm
Barometer 30.04 in
Dewpoint 18°F (-8°C)
Visibility 10.00 mi
Last update 13 Mar 1:35 am EDT
Extended Forecast for

Marathon NY

  • Overnight

    Overnight: Partly cloudy, with a low around 22. West wind around 7 mph.

    Low: 22 °F

    Partly Cloudy

  • Friday

    Friday: Snow, mainly after 1pm. The snow could be heavy at times. High near 38. Light south wind increasing to 10 to 15 mph in the morning. Winds could gust as high as 28 mph. Chance of precipitation is 80%. New snow accumulation of around 2 inches.

    High: 38 °F

    Slight Chance
    Snow then
    Heavy Snow

  • Friday Night

    Friday Night: Rain and snow showers before 11pm, then a chance of snow showers. Low around 26. Southwest wind around 15 mph, with gusts as high as 28 mph. Chance of precipitation is 80%. New snow accumulation of around an inch possible.

    Low: 26 °F

    Rain/Snow
    then Chance
    Snow Showers

  • Saturday

    Saturday: A chance of snow showers before 8am. Partly sunny, with a high near 35. Breezy, with a west wind 14 to 20 mph, with gusts as high as 34 mph. Chance of precipitation is 30%. New snow accumulation of less than a half inch possible.

    High: 35 °F

    Chance Snow
    Showers and
    Breezy then
    Mostly Sunny

  • Saturday Night

    Saturday Night: A chance of snow after 2am. Partly cloudy, with a low around 21. Northwest wind around 6 mph becoming calm in the evening. Chance of precipitation is 30%.

    Low: 21 °F

    Mostly Clear
    then Chance
    Snow

  • Sunday

    Sunday: A chance of snow before 2pm. Mostly cloudy, with a high near 45. Chance of precipitation is 50%.

    High: 45 °F

    Chance Snow

  • Sunday Night

    Sunday Night: Rain likely after 2am. Cloudy, with a low around 40. Chance of precipitation is 60%.

    Low: 40 °F

    Mostly Cloudy
    then Rain
    Likely

  • Monday

    Monday: Rain. High near 61. Chance of precipitation is 90%.

    High: 61 °F

    Rain

  • Monday Night

    Monday Night: Rain, possibly mixed with snow before 2am, then a chance of snow. Low around 21. Chance of precipitation is 80%.

    Low: 21 °F

    Rain/Snow

Detailed Forecast

Overnight
Partly cloudy, with a low around 22. West wind around 7 mph.
Friday
Snow, mainly after 1pm. The snow could be heavy at times. High near 38. Light south wind increasing to 10 to 15 mph in the morning. Winds could gust as high as 28 mph. Chance of precipitation is 80%. New snow accumulation of around 2 inches.
Friday Night
Rain and snow showers before 11pm, then a chance of snow showers. Low around 26. Southwest wind around 15 mph, with gusts as high as 28 mph. Chance of precipitation is 80%. New snow accumulation of around an inch possible.
Saturday
A chance of snow showers before 8am. Partly sunny, with a high near 35. Breezy, with a west wind 14 to 20 mph, with gusts as high as 34 mph. Chance of precipitation is 30%. New snow accumulation of less than a half inch possible.
Saturday Night
A chance of snow after 2am. Partly cloudy, with a low around 21. Northwest wind around 6 mph becoming calm in the evening. Chance of precipitation is 30%.
Sunday
A chance of snow before 2pm. Mostly cloudy, with a high near 45. Chance of precipitation is 50%.
Sunday Night
Rain likely after 2am. Cloudy, with a low around 40. Chance of precipitation is 60%.
Monday
Rain. High near 61. Chance of precipitation is 90%.
Monday Night
Rain, possibly mixed with snow before 2am, then a chance of snow. Low around 21. Chance of precipitation is 80%.
Tuesday
A chance of snow. Partly sunny, with a high near 28. Chance of precipitation is 30%.
Tuesday Night
A chance of snow. Mostly cloudy, with a low around 14. Chance of precipitation is 30%.
Wednesday
Mostly sunny, with a high near 30.
Wednesday Night
Mostly cloudy, with a low around 19.
Thursday
Mostly cloudy, with a high near 39.
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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:
1:16 am EDT Mar 13, 2026
Forecast Valid:
1am EDT Mar 13, 2026-6pm EDT Mar 19, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation