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.
Today
72°F
Partly Sunny
Partly sunny, with a high near 72. South wind 8 to 12 mph.
7-day forecast for South Lansing
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 72°F | Partly Sunny | 8 to 12 mph S | 3% |
| Tonight | 58°F | Mostly Cloudy then Light Rain Likely | 14 mph S | 66% |
| Thursday | 71°F | Light Rain | 5 to 13 mph S | 79% |
| Thursday Night | 48°F | Partly Cloudy | 3 mph S | 4% |
| Friday | 64°F | Mostly Cloudy | 3 mph S | 8% |
| Friday Night | 45°F | Chance Light Rain | 3 mph SW | 34% |
| Saturday | 54°F | Light Rain Likely | 2 to 9 mph NW | 62% |
| Saturday Night | 39°F | Light Rain Likely | 9 mph NW | 62% |
| Sunday | 53°F | Chance Light Rain | 9 mph NW | 28% |
| Sunday Night | 36°F | Slight Chance Light Rain | 8 mph W | 17% |
| Monday | 52°F | Chance Light Rain | 8 to 13 mph W | 32% |
| Monday Night | 35°F | Chance Light Rain then Partly Cloudy | 6 mph SW | 25% |
| Tuesday | 56°F | Mostly Sunny then Slight Chance Light Rain | 6 to 12 mph SW | 22% |
| Tuesday Night | 36°F | Slight Chance Light Rain | 8 mph W | 23% |
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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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 Nov 4, 2026.