McLean, NY Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for McLean, a community in Tompkins County, New York.
This Afternoon
64°F
Partly Sunny
Partly sunny, with a high near 64. South wind around 6 mph.
7-day forecast for McLean
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 64°F | Partly Sunny | 6 mph S | 3% |
| Tonight | 50°F | Partly Cloudy | 6 mph S | 5% |
| Wednesday | 71°F | Mostly Sunny | 5 to 10 mph S | 4% |
| Wednesday Night | 58°F | Mostly Cloudy then Rain Showers Likely | 8 to 12 mph S | 73% |
| Thursday | 70°F | Rain Showers | 6 to 12 mph S | 79% |
| Thursday Night | 49°F | Slight Chance Rain Showers | 0 to 5 mph SW | 16% |
| Friday | 64°F | Chance Rain Showers | 3 mph SW | 28% |
| Friday Night | 44°F | Chance Light Rain | 2 mph NW | 25% |
| Saturday | 55°F | Chance Light Rain | 1 to 8 mph NW | 36% |
| Saturday Night | 36°F | Chance Light Rain | 6 mph W | 36% |
| Sunday | 53°F | Slight Chance Light Rain then Partly Sunny | 5 to 8 mph W | 21% |
| Sunday Night | 34°F | Slight Chance Light Rain | 6 mph W | 19% |
| Monday | 53°F | Chance Light Rain | 6 to 13 mph NW | 37% |
| Monday Night | 33°F | Chance Light Rain | 7 mph SW | 37% |
Forecast source: National Weather Service (api.weather.gov) for McLean (42.549, -76.292). Updated through the day.
Growing snapshot for McLean
Last spring frost
May 7
First fall frost
Oct 8
Growing season
154 days
Hardiness zone
5b
More local growing data for McLean: nearby ZIP 13102 weather · frost dates · planting calendar · New York frost dates
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Climate data from the nearest NOAA station, Freeville 1 Ne, Ny (2.9 mi from McLean). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 3, 2026.