Marathon, NY Weather & Growing Conditions
Overnight
47°F
Patchy Fog
Patchy fog after 5am. Mostly clear, with a low around 47. Southeast wind around 3 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 47°F | Patchy Fog | 3 mph SE | 2% |
| Wednesday | 71°F | Patchy Fog then Mostly Sunny | 3 to 9 mph S | 2% |
| Wednesday Night | 56°F | Mostly Cloudy then Light Rain Likely | 9 mph S | 66% |
| Thursday | 70°F | Light Rain | 6 to 10 mph S | 92% |
| Thursday Night | 47°F | Partly Cloudy | 0 to 5 mph SW | 8% |
| Friday | 64°F | Mostly Cloudy | 0 to 3 mph S | 8% |
| Friday Night | 42°F | Chance Light Rain | 2 mph N | 28% |
| Saturday | 55°F | Light Rain Likely | 2 to 8 mph NW | 58% |
| Saturday Night | 36°F | Light Rain Likely | 8 mph NW | 58% |
| Sunday | 52°F | Chance Light Rain then Partly Sunny | 9 mph NW | 29% |
| Sunday Night | 32°F | Slight Chance Light Rain | 7 mph W | 17% |
| Monday | 51°F | Chance Light Rain | 7 to 12 mph W | 31% |
| Monday Night | 30°F | Slight Chance Light Rain then Partly Cloudy | 6 mph W | 23% |
| Tuesday | 56°F | Partly Sunny | 5 to 12 mph W | 13% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Marathon, NY
Last spring frost
May 4
First fall frost
Oct 16
Growing season
163 days
Hardiness zone
5b
Explore more for Marathon, NY: full frost dates · planting calendar · New York frost dates
Climate data from the nearest NOAA station, Whitney Pt Dam, Ny (9.2 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.