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

54°F

12°C

Humidity 94%
Wind Speed Calm
Barometer 29.96 in
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Last update 25 Aug 9:55 pm EDT
Extended Forecast for

Marathon NY

  • Tonight

    Tonight: Mostly clear, with a low around 46. West wind 3 to 5 mph.

    Low: 46 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 70. Light west wind increasing to 5 to 9 mph in the morning.

    High: 70 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 45. Light west wind.

    Low: 45 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 69. Light west wind becoming northwest 5 to 9 mph in the morning.

    High: 69 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Patchy fog after 1am. Otherwise, mostly clear, with a low around 44. Calm wind.

    Low: 44 °F

    Mostly Clear
    then Patchy
    Fog

  • Thursday

    Thursday: A slight chance of showers after 2pm. Mostly sunny, with a high near 74. Chance of precipitation is 20%.

    High: 74 °F

    Mostly Sunny
    then Slight
    Chance
    Showers

  • Thursday Night

    Thursday Night: Showers likely, mainly between 8pm and 2am. Mostly cloudy, with a low around 48. Chance of precipitation is 60%.

    Low: 48 °F

    Showers
    Likely

  • Friday

    Friday: A chance of showers. Partly sunny, with a high near 66. Chance of precipitation is 40%.

    High: 66 °F

    Chance
    Showers

  • Friday Night

    Friday Night: Patchy fog after 1am. Otherwise, mostly clear, with a low around 42.

    Low: 42 °F

    Partly Cloudy
    then Patchy
    Fog

Detailed Forecast

Tonight
Mostly clear, with a low around 46. West wind 3 to 5 mph.
Tuesday
Sunny, with a high near 70. Light west wind increasing to 5 to 9 mph in the morning.
Tuesday Night
Partly cloudy, with a low around 45. Light west wind.
Wednesday
Mostly sunny, with a high near 69. Light west wind becoming northwest 5 to 9 mph in the morning.
Wednesday Night
Patchy fog after 1am. Otherwise, mostly clear, with a low around 44. Calm wind.
Thursday
A slight chance of showers after 2pm. Mostly sunny, with a high near 74. Chance of precipitation is 20%.
Thursday Night
Showers likely, mainly between 8pm and 2am. Mostly cloudy, with a low around 48. Chance of precipitation is 60%.
Friday
A chance of showers. Partly sunny, with a high near 66. Chance of precipitation is 40%.
Friday Night
Patchy fog after 1am. Otherwise, mostly clear, with a low around 42.
Saturday
Mostly sunny, with a high near 68.
Saturday Night
Patchy fog. Otherwise, mostly clear, with a low around 43.
Sunday
Mostly sunny, with a high near 73.
Sunday Night
Partly cloudy, with a low around 47.
Labor Day
Mostly sunny, with a high near 75.
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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:
7:07 pm EDT Aug 25, 2025
Forecast Valid:
10pm EDT Aug 25, 2025-6pm EDT Sep 1, 2025
 
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