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

61°F

16°C

Humidity 77%
Wind Speed Calm
Barometer 30.23 in
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Last update 4 Oct 7:55 pm EDT
Extended Forecast for

Marathon NY

  • Tonight

    Tonight: Patchy fog before 1am, then areas of fog after 2am. Otherwise, clear, with a low around 49. Calm wind.

    Low: 49 °F

    Clear then
    Areas Fog

  • Sunday

    Sunday: Areas of fog before 10am. Otherwise, sunny, with a high near 81. Calm wind becoming south around 6 mph in the afternoon.

    High: 81 °F

    Areas Fog
    then Sunny

  • Sunday Night

    Sunday Night: Patchy fog after 5am. Otherwise, clear, with a low around 47. Light south wind.

    Low: 47 °F

    Clear then
    Patchy Fog

  • Monday

    Monday: Patchy fog before 7am. Otherwise, sunny, with a high near 79. Southwest wind 3 to 7 mph.

    High: 79 °F

    Patchy Fog
    then Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 53. South wind 3 to 6 mph.

    Low: 53 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 76. Chance of precipitation is 70%.

    High: 76 °F

    Chance
    Showers then
    Showers
    Likely

  • Tuesday Night

    Tuesday Night: Showers. Low around 47. Chance of precipitation is 90%.

    Low: 47 °F

    Showers

  • Wednesday

    Wednesday: Showers likely before 8am. Mostly sunny, with a high near 61. Chance of precipitation is 60%.

    High: 61 °F

    Showers
    Likely then
    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Areas of frost after 4am. Otherwise, mostly clear, with a low around 32.

    Low: 32 °F

    Mostly Clear
    then Areas
    Frost

Detailed Forecast

Tonight
Patchy fog before 1am, then areas of fog after 2am. Otherwise, clear, with a low around 49. Calm wind.
Sunday
Areas of fog before 10am. Otherwise, sunny, with a high near 81. Calm wind becoming south around 6 mph in the afternoon.
Sunday Night
Patchy fog after 5am. Otherwise, clear, with a low around 47. Light south wind.
Monday
Patchy fog before 7am. Otherwise, sunny, with a high near 79. Southwest wind 3 to 7 mph.
Monday Night
Partly cloudy, with a low around 53. South wind 3 to 6 mph.
Tuesday
A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 76. Chance of precipitation is 70%.
Tuesday Night
Showers. Low around 47. Chance of precipitation is 90%.
Wednesday
Showers likely before 8am. Mostly sunny, with a high near 61. Chance of precipitation is 60%.
Wednesday Night
Areas of frost after 4am. Otherwise, mostly clear, with a low around 32.
Thursday
Widespread frost before 9am. Otherwise, sunny, with a high near 60.
Thursday Night
Areas of frost. Otherwise, mostly clear, with a low around 35.
Friday
Areas of frost. Otherwise, mostly sunny, with a high near 63.
Friday Night
A chance of showers. Partly cloudy, with a low around 42. Chance of precipitation is 30%.
Saturday
A chance of showers. Partly sunny, with a high near 64. Chance of precipitation is 30%.
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ABOUT THIS FORECAST

 
Point Forecast:
Marathon NY
 42.44°N 76.03°W (Elev. 1099 ft)
Last Update:
7:16 pm EDT Oct 4, 2025
Forecast Valid:
8pm EDT Oct 4, 2025-6pm EDT Oct 11, 2025
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation