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

59°F

15°C

Humidity 88%
Wind Speed Calm
Barometer 29.82 in
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 17 Apr 3:55 am EDT
Extended Forecast for

Marathon NY

  • Overnight

    Overnight: A slight chance of showers. Patchy fog. Otherwise, mostly cloudy, with a low around 54. Northwest wind around 6 mph. Chance of precipitation is 20%.

    Low: 54 °F

    Slight Chance
    Showers and
    Patchy Fog

  • Friday

    Friday: Patchy fog before 10am. Otherwise, partly sunny, with a high near 64. North wind 6 to 8 mph.

    High: 64 °F

    Patchy Fog
    then Partly
    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 48. Light and variable wind.

    Low: 48 °F

    Partly Cloudy

  • Saturday

    Saturday: A chance of showers after 2pm. Partly sunny, with a high near 72. South wind 9 to 16 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    High: 72 °F

    Partly Sunny
    then Chance
    Showers

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms before 8pm, then showers likely and possibly a thunderstorm between 8pm and 2am, then showers after 2am. Low around 37. South wind 10 to 13 mph becoming southwest after midnight. Winds could gust as high as 24 mph. Chance of precipitation is 90%.

    Low: 37 °F

    Showers

  • Sunday

    Sunday: Rain before 2pm, then a chance of showers after 2pm. High near 41. Chance of precipitation is 80%.

    High: 41 °F

    Rain

  • Sunday Night

    Sunday Night: A chance of showers before 8pm. Partly cloudy, with a low around 26. Chance of precipitation is 30%.

    Low: 26 °F

    Chance
    Showers then
    Partly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 38.

    High: 38 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 22.

    Low: 22 °F

    Mostly Clear

Detailed Forecast

Overnight
A slight chance of showers. Patchy fog. Otherwise, mostly cloudy, with a low around 54. Northwest wind around 6 mph. Chance of precipitation is 20%.
Friday
Patchy fog before 10am. Otherwise, partly sunny, with a high near 64. North wind 6 to 8 mph.
Friday Night
Partly cloudy, with a low around 48. Light and variable wind.
Saturday
A chance of showers after 2pm. Partly sunny, with a high near 72. South wind 9 to 16 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Saturday Night
A chance of showers and thunderstorms before 8pm, then showers likely and possibly a thunderstorm between 8pm and 2am, then showers after 2am. Low around 37. South wind 10 to 13 mph becoming southwest after midnight. Winds could gust as high as 24 mph. Chance of precipitation is 90%.
Sunday
Rain before 2pm, then a chance of showers after 2pm. High near 41. Chance of precipitation is 80%.
Sunday Night
A chance of showers before 8pm. Partly cloudy, with a low around 26. Chance of precipitation is 30%.
Monday
Partly sunny, with a high near 38.
Monday Night
Mostly clear, with a low around 22.
Tuesday
Sunny, with a high near 51.
Tuesday Night
A chance of showers. Mostly cloudy, with a low around 37. Chance of precipitation is 40%.
Wednesday
Partly sunny, with a high near 58.
Wednesday Night
Partly cloudy, with a low around 34.
Thursday
Mostly sunny, with a high near 60.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Marathon NY
 42.44°N 76°W (Elev. 1486 ft)
Last Update:
2:37 am EDT Apr 17, 2026
Forecast Valid:
4am EDT Apr 17, 2026-6pm EDT Apr 23, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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