South Lansing, NY Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for South Lansing, a community in Tompkins County, New York.
Overnight
47°F
Mostly Cloudy
Mostly cloudy, with a low around 47. Northeast wind around 1 mph.
7-day forecast for South Lansing
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 47°F | Mostly Cloudy | 1 mph NE | 0% |
| Saturday | 68°F | Mostly Sunny | 2 mph SE | 0% |
| Saturday Night | 53°F | Mostly Cloudy then Rain | 2 to 12 mph SE | 79% |
| Sunday | 64°F | Rain | 7 to 12 mph SW | 95% |
| Sunday Night | 45°F | Chance Light Rain then Mostly Cloudy | 6 to 12 mph N | 35% |
| Monday | 61°F | Partly Sunny | 8 mph N | 0% |
| Monday Night | 43°F | Mostly Cloudy | 3 to 7 mph NE | 8% |
| Tuesday | 62°F | Slight Chance Rain Showers | 6 mph E | 15% |
| Tuesday Night | 43°F | Mostly Cloudy | 6 mph E | 6% |
| Wednesday | 62°F | Mostly Cloudy | 8 mph E | 9% |
| Wednesday Night | 43°F | Mostly Cloudy then Slight Chance Rain Showers | 7 mph E | 18% |
| Thursday | 61°F | Chance Rain Showers | 6 mph E | 25% |
| Thursday Night | 44°F | Chance Rain Showers | 6 mph NE | 26% |
| Friday | 64°F | Chance Rain Showers | 3 to 8 mph N | 26% |
Forecast source: National Weather Service (api.weather.gov) for South Lansing (42.532, -76.496). Updated through the day.
Growing snapshot for South Lansing
Last spring frost
May 11
First fall frost
Oct 3
Growing season
145 days
Hardiness zone
6a
More local growing data for South Lansing: nearby ZIP 14853 weather · frost dates · planting calendar · New York frost dates
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Forest Home
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Climate data from the nearest NOAA station, Ithaca Cornell Univ, Ny (1.6 mi from South Lansing). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.