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.

Overcast

61°F

16°C

Humidity 83%
Wind Speed NW 8 mph
Barometer 29.94 in
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 14 Oct 11:55 am EDT
Extended Forecast for

Marathon NY

  • This Afternoon

    This Afternoon: Mostly cloudy, with a high near 66. Northwest wind around 9 mph.

    High: 66 °F

    Mostly Cloudy

  • Tonight

    Tonight: Mostly cloudy, with a low around 40. Northwest wind 5 to 8 mph.

    Low: 40 °F

    Mostly Cloudy

  • Thursday

    Thursday: Cloudy through mid morning, then gradual clearing, with a high near 61. Light and variable wind.

    High: 61 °F

    Gradual
    Clearing

  • Thursday Night

    Thursday Night: Showers likely, then showers and possibly a thunderstorm after 2am. Low around 46. Calm wind becoming south 5 to 9 mph after midnight. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 46 °F

    Showers
    Likely then
    Showers

  • Friday

    Friday: Showers and possibly a thunderstorm. High near 65. South wind around 14 mph becoming west in the afternoon. Winds could gust as high as 26 mph. Chance of precipitation is 90%.

    High: 65 °F

    Showers

  • Friday Night

    Friday Night: Rain showers likely before 2am, then a chance of rain and snow showers between 2am and 5am, then a chance of snow showers after 5am. Cloudy, with a low around 28. Chance of precipitation is 70%.

    Low: 28 °F

    Showers
    Likely then
    Rain/Snow
    Likely

  • Saturday

    Saturday: A chance of snow showers before 8am. Mostly sunny, with a high near 42. Breezy. Chance of precipitation is 30%.

    High: 42 °F

    Breezy.
    Chance Snow
    Showers then
    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 28.

    Low: 28 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 58.

    High: 58 °F

    Sunny

Detailed Forecast

This Afternoon
Mostly cloudy, with a high near 66. Northwest wind around 9 mph.
Tonight
Mostly cloudy, with a low around 40. Northwest wind 5 to 8 mph.
Thursday
Cloudy through mid morning, then gradual clearing, with a high near 61. Light and variable wind.
Thursday Night
Showers likely, then showers and possibly a thunderstorm after 2am. Low around 46. Calm wind becoming south 5 to 9 mph after midnight. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.
Friday
Showers and possibly a thunderstorm. High near 65. South wind around 14 mph becoming west in the afternoon. Winds could gust as high as 26 mph. Chance of precipitation is 90%.
Friday Night
Rain showers likely before 2am, then a chance of rain and snow showers between 2am and 5am, then a chance of snow showers after 5am. Cloudy, with a low around 28. Chance of precipitation is 70%.
Saturday
A chance of snow showers before 8am. Mostly sunny, with a high near 42. Breezy. Chance of precipitation is 30%.
Saturday Night
Mostly clear, with a low around 28.
Sunday
Sunny, with a high near 58.
Sunday Night
Mostly clear, with a low around 30.
Monday
Mostly sunny, with a high near 63.
Monday Night
Mostly cloudy, with a low around 37.
Tuesday
Partly sunny, with a high near 64.
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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:
2:30 am EDT Oct 14, 2026
Forecast Valid:
12pm EDT Oct 14, 2026-6pm EDT Oct 20, 2026
 
Forecast Discussion
 
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Additional Resources

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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