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

39°F

4°C

Humidity 81%
Wind Speed Calm
Barometer 30.41 in
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Last update 1 Nov 8:15 pm EST
Extended Forecast for

Marathon NY

  • Tonight

    Tonight: Patchy fog after 5am. Otherwise, increasing clouds, with a low around 34. Calm wind.

    Low: 34 °F

    Mostly Clear
    then Patchy
    Fog

  • Monday

    Monday: Patchy fog before 7am. Otherwise, partly sunny, with a high near 66. Calm wind becoming southwest around 5 mph.

    High: 66 °F

    Patchy Fog
    then Partly
    Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 42. Calm wind.

    Low: 42 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 67. Calm wind becoming south around 6 mph in the morning.

    High: 67 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 46. South wind 3 to 5 mph.

    Low: 46 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 70.

    High: 70 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: A chance of rain after 1am. Mostly cloudy, with a low around 55. Chance of precipitation is 30%.

    Low: 55 °F

    Partly Cloudy
    then Chance
    Rain

  • Thursday

    Thursday: Rain. High near 68. Chance of precipitation is 80%.

    High: 68 °F

    Rain

  • Thursday Night

    Thursday Night: Rain likely. Mostly cloudy, with a low around 51. Chance of precipitation is 60%.

    Low: 51 °F

    Rain Likely

Detailed Forecast

Tonight
Patchy fog after 5am. Otherwise, increasing clouds, with a low around 34. Calm wind.
Monday
Patchy fog before 7am. Otherwise, partly sunny, with a high near 66. Calm wind becoming southwest around 5 mph.
Monday Night
Mostly cloudy, with a low around 42. Calm wind.
Tuesday
Mostly cloudy, with a high near 67. Calm wind becoming south around 6 mph in the morning.
Tuesday Night
Partly cloudy, with a low around 46. South wind 3 to 5 mph.
Wednesday
Mostly sunny, with a high near 70.
Wednesday Night
A chance of rain after 1am. Mostly cloudy, with a low around 55. Chance of precipitation is 30%.
Thursday
Rain. High near 68. Chance of precipitation is 80%.
Thursday Night
Rain likely. Mostly cloudy, with a low around 51. Chance of precipitation is 60%.
Friday
Rain likely, mainly before 1pm. Mostly cloudy, with a high near 63. Chance of precipitation is 60%.
Friday Night
A chance of rain. Mostly cloudy, with a low around 43. Chance of precipitation is 50%.
Saturday
A chance of rain. Mostly cloudy, with a high near 55. Chance of precipitation is 40%.
Saturday Night
Mostly cloudy, with a low around 36.
Sunday
Partly sunny, with a high near 55.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Marathon NY
 42.44°N 76.03°W (Elev. 1099 ft)
Last Update:
6:06 pm EST Nov 1, 2026
Forecast Valid:
8pm EST Nov 1, 2026-6pm EST Nov 8, 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