Weather in Marathon, NY
Updated 2026-09-26 10:00 local time · ZIP codes 13803
Partly Cloudy
No government weather alerts were returned for this location at the latest update.
Next hours
57°8% rain
60°12% rain63°11% rain63°11% rain62°13% rain63°13% rain62°13% rain62°13% rain62°13% rain
60°13% rain59°14% rain57°14% rain3-day weather forecast
Weather details
Sunrise, sunset and moon
Key weather changes ahead
Weather insights for today
Rain chance stays relatively low over the next 12 hours (up to 14%).
It feels like 50°F with winds near 11 mph.
63°F, 11% rain chance and 12 mph wind.
Visibility is around 6 mi; gusts may reach 27 mph.
Current temperature is 57°F, wind 11 mph, rain chance up to 14%.
UV index is 2.
Local weather characteristics in Marathon
New York spans Atlantic coastal, inland valley, Great Lakes and mountain climates. Lake-effect snow, coastal storms and large upstate/downstate temperature differences are all common.
Marathon is part of the Northeast weather region. The forecast point is near 42.44°N latitude and 76.03°W longitude. Local temperature, wind and precipitation can still differ from nearby places, especially where terrain, coastlines or urban development create small-scale weather changes.
Marathon weather today
Partly Cloudy and 57°F in Marathon, NY. Today's high is 63°F with a 11% rain chance. Winds are around 11 mph with gusts near 19 mph. Relative humidity is 66%, pressure is 30.05 inHg, and visibility is about 6 miles.
Tonight and tomorrow in Marathon
Sunrise is at 06:55 AM and sunset is at 06:55 PM. Tomorrow's forecast calls for Overcast with a high near 54°F and a low near 50°F. The maximum rain chance is 77%.