National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Cortland County-Chase Field (KN03)

Lat: 42.59°NLon: 76.21°WElev: 1198ft.

Fair

68°F

20°C

Humidity 83%
Wind Speed Calm
Barometer 30.04 in
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Last update 28 Jun 8:35 pm EDT
Extended Forecast for

Marathon NY

  • Tonight

    Tonight: Partly cloudy, with a low around 58. Calm wind.

    Low: 58 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 87. Calm wind.

    High: 87 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 63. Calm wind.

    Low: 63 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 89. Southwest wind 3 to 8 mph. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 89 °F

    Chance
    T-storms then
    Showers
    Likely

  • Tuesday Night

    Tuesday Night: Showers likely and possibly a thunderstorm before 8pm, then a slight chance of showers and thunderstorms between 8pm and 2am. Mostly cloudy, with a low around 68. Light southwest wind. Chance of precipitation is 60%.

    Low: 68 °F

    Showers
    Likely then
    Slight Chance
    T-storms

  • Wednesday

    Wednesday: A slight chance of showers and thunderstorms after 2pm. Mostly sunny and hot, with a high near 94. Chance of precipitation is 20%.

    High: 94 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 69.

    Low: 69 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny and hot, with a high near 94.

    High: 94 °F

    Hot

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 69.

    Low: 69 °F

    Mostly Clear

Detailed Forecast

Tonight
Partly cloudy, with a low around 58. Calm wind.
Monday
Sunny, with a high near 87. Calm wind.
Monday Night
Partly cloudy, with a low around 63. Calm wind.
Tuesday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 89. Southwest wind 3 to 8 mph. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday Night
Showers likely and possibly a thunderstorm before 8pm, then a slight chance of showers and thunderstorms between 8pm and 2am. Mostly cloudy, with a low around 68. Light southwest wind. Chance of precipitation is 60%.
Wednesday
A slight chance of showers and thunderstorms after 2pm. Mostly sunny and hot, with a high near 94. Chance of precipitation is 20%.
Wednesday Night
Mostly clear, with a low around 69.
Thursday
Sunny and hot, with a high near 94.
Thursday Night
Mostly clear, with a low around 69.
Friday
A chance of showers and thunderstorms after 2pm. Mostly sunny and hot, with a high near 92. Chance of precipitation is 30%.
Friday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 67. Chance of precipitation is 30%.
Independence Day
Showers likely and possibly a thunderstorm. Partly sunny, with a high near 89. Chance of precipitation is 60%.
Saturday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 64. Chance of precipitation is 60%.
Sunday
A chance of showers and thunderstorms. Mostly sunny, with a high near 87. Chance of precipitation is 40%.
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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:
6:50 pm EDT Jun 28, 2026
Forecast Valid:
8pm EDT Jun 28, 2026-6pm EDT Jul 5, 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