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

46°F

8°C

Humidity 66%
Wind Speed Calm
Barometer 30.02 in
Dewpoint 36°F (2°C)
Visibility 10.00 mi
Last update 12 May 11:55 pm EDT
Extended Forecast for

Marathon NY

  • Overnight

    Overnight: Showers, mainly after 3am. Low around 44. Light southeast wind. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 44 °F

    Showers

  • Wednesday

    Wednesday: Showers, with thunderstorms also possible after 2pm. High near 64. South wind 7 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 64 °F

    Showers then
    Showers
    Likely

  • Wednesday Night

    Wednesday Night: Showers and possibly a thunderstorm before 11pm, then a chance of showers. Low around 43. South wind around 6 mph becoming calm in the evening. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 43 °F

    Showers then
    Chance
    Showers

  • Thursday

    Thursday: A chance of showers, mainly after 7am. Mostly cloudy, with a high near 56. Calm wind becoming northwest 5 to 8 mph in the afternoon. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    High: 56 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: A chance of showers. Mostly cloudy, with a low around 42. Northwest wind around 6 mph. Chance of precipitation is 30%.

    Low: 42 °F

    Chance
    Showers

  • Friday

    Friday: A slight chance of showers before 2pm. Partly sunny, with a high near 64. Chance of precipitation is 20%.

    High: 64 °F

    Slight Chance
    Showers

  • Friday Night

    Friday Night: Partly cloudy, with a low around 45.

    Low: 45 °F

    Partly Cloudy

  • Saturday

    Saturday: A chance of showers after 2pm. Mostly sunny, with a high near 77. Chance of precipitation is 40%.

    High: 77 °F

    Mostly Sunny
    then Chance
    Showers

  • Saturday Night

    Saturday Night: A chance of showers before 8pm. Partly cloudy, with a low around 51. Chance of precipitation is 30%.

    Low: 51 °F

    Chance
    Showers then
    Mostly Clear

Detailed Forecast

Overnight
Showers, mainly after 3am. Low around 44. Light southeast wind. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday
Showers, with thunderstorms also possible after 2pm. High near 64. South wind 7 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
Showers and possibly a thunderstorm before 11pm, then a chance of showers. Low around 43. South wind around 6 mph becoming calm in the evening. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Thursday
A chance of showers, mainly after 7am. Mostly cloudy, with a high near 56. Calm wind becoming northwest 5 to 8 mph in the afternoon. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 42. Northwest wind around 6 mph. Chance of precipitation is 30%.
Friday
A slight chance of showers before 2pm. Partly sunny, with a high near 64. Chance of precipitation is 20%.
Friday Night
Partly cloudy, with a low around 45.
Saturday
A chance of showers after 2pm. Mostly sunny, with a high near 77. Chance of precipitation is 40%.
Saturday Night
A chance of showers before 8pm. Partly cloudy, with a low around 51. Chance of precipitation is 30%.
Sunday
Sunny, with a high near 75.
Sunday Night
Partly cloudy, with a low around 50.
Monday
Mostly sunny, with a high near 82.
Monday Night
Partly cloudy, with a low around 59.
Tuesday
Showers likely. Partly sunny, with a high near 83. Chance of precipitation is 60%.
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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:
9:56 pm EDT May 12, 2026
Forecast Valid:
12am EDT May 13, 2026-6pm EDT May 19, 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