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

70°F

21°C

Humidity 73%
Wind Speed NE 5 mph
Barometer 29.90 in
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Last update 30 Jul 11:55 am EDT
Extended Forecast for

Marathon NY

  • This Afternoon

    This Afternoon: A chance of showers and thunderstorms, mainly between 3pm and 5pm. Partly sunny, with a high near 76. North wind around 9 mph. Chance of precipitation is 30%.

    High: 76 °F

    Chance
    T-storms

  • Tonight

    Tonight: Patchy fog after 1am. Otherwise, mostly clear, with a low around 55. Northwest wind around 5 mph becoming calm in the evening.

    Low: 55 °F

    Mostly Clear
    then Patchy
    Fog

  • Friday

    Friday: Patchy fog before 9am. Otherwise, mostly sunny, with a high near 81. Calm wind becoming northwest 5 to 7 mph in the afternoon.

    High: 81 °F

    Patchy Fog
    then Mostly
    Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 57. Calm wind.

    Low: 57 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 84. Calm wind becoming south around 6 mph in the afternoon.

    High: 84 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms, then showers likely after 2am. Mostly cloudy, with a low around 60. Chance of precipitation is 60%.

    Low: 60 °F

    Showers
    Likely

  • Sunday

    Sunday: Showers likely, then showers and possibly a thunderstorm after 2pm. High near 77. Chance of precipitation is 80%.

    High: 77 °F

    Showers

  • Sunday Night

    Sunday Night: Showers and possibly a thunderstorm before 8pm, then a chance of showers between 8pm and 2am. Low around 58. Chance of precipitation is 80%.

    Low: 58 °F

    Showers then
    Chance
    Showers

  • Monday

    Monday: Partly sunny, with a high near 79.

    High: 79 °F

    Partly Sunny

Detailed Forecast

This Afternoon
A chance of showers and thunderstorms, mainly between 3pm and 5pm. Partly sunny, with a high near 76. North wind around 9 mph. Chance of precipitation is 30%.
Tonight
Patchy fog after 1am. Otherwise, mostly clear, with a low around 55. Northwest wind around 5 mph becoming calm in the evening.
Friday
Patchy fog before 9am. Otherwise, mostly sunny, with a high near 81. Calm wind becoming northwest 5 to 7 mph in the afternoon.
Friday Night
Mostly cloudy, with a low around 57. Calm wind.
Saturday
Partly sunny, with a high near 84. Calm wind becoming south around 6 mph in the afternoon.
Saturday Night
A chance of showers and thunderstorms, then showers likely after 2am. Mostly cloudy, with a low around 60. Chance of precipitation is 60%.
Sunday
Showers likely, then showers and possibly a thunderstorm after 2pm. High near 77. Chance of precipitation is 80%.
Sunday Night
Showers and possibly a thunderstorm before 8pm, then a chance of showers between 8pm and 2am. Low around 58. Chance of precipitation is 80%.
Monday
Partly sunny, with a high near 79.
Monday Night
Mostly clear, with a low around 54.
Tuesday
Sunny, with a high near 83.
Tuesday Night
Mostly clear, with a low around 58.
Wednesday
A chance of showers. Mostly sunny, with a high near 85. Chance of precipitation is 30%.
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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:
2:30 am EDT Jul 30, 2026
Forecast Valid:
12pm EDT Jul 30, 2026-6pm EDT Aug 5, 2026
 
Forecast Discussion
 
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Additional Resources

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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