Marathon, NY Weather & Growing Conditions
Today
72°F
Mostly Sunny
Mostly sunny, with a high near 72. South wind 6 to 9 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 72°F | Mostly Sunny | 6 to 9 mph S | 3% |
| Tonight | 56°F | Mostly Cloudy then Light Rain Likely | 10 mph S | 68% |
| Thursday | 71°F | Light Rain | 6 to 10 mph S | 90% |
| Thursday Night | 48°F | Partly Cloudy | 2 to 6 mph SW | 7% |
| Friday | 65°F | Mostly Cloudy | 3 mph S | 8% |
| Friday Night | 43°F | Chance Light Rain | 2 mph N | 28% |
| Saturday | 55°F | Light Rain Likely | 3 to 8 mph W | 58% |
| Saturday Night | 37°F | Light Rain Likely | 7 to 10 mph NW | 58% |
| Sunday | 53°F | Chance Light Rain | 9 mph NW | 28% |
| Sunday Night | 34°F | Slight Chance Light Rain | 9 mph W | 17% |
| Monday | 52°F | Chance Light Rain | 12 mph W | 30% |
| Monday Night | 33°F | Chance Light Rain then Partly Cloudy | 8 mph W | 25% |
| Tuesday | 56°F | Mostly Sunny then Slight Chance Light Rain | 7 to 12 mph SW | 19% |
| Tuesday Night | 32°F | Slight Chance Light Rain | 9 mph W | 21% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Marathon, NY
Last spring frost
May 13
First fall frost
Oct 4
Growing season
145 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, Ithaca 13 E, Ny (5.2 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.