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.
This Afternoon
80°F
Sunny
Sunny, with a high near 80. Southwest wind around 2 mph.
7-day forecast for South Lansing
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 80°F | Sunny | 2 mph SW | 0% |
| Tonight | 60°F | Mostly Clear | 1 to 6 mph SE | 0% |
| Wednesday | 84°F | Mostly Sunny | 8 mph SE | 0% |
| Wednesday Night | 67°F | Slight Chance Rain Showers | 7 mph S | 19% |
| Thursday | 85°F | Showers And Thunderstorms | 6 mph S | 84% |
| Thursday Night | 67°F | Showers And Thunderstorms | 3 mph SW | 84% |
| Friday | 83°F | Showers And Thunderstorms | 5 mph SW | 75% |
| Friday Night | 66°F | Showers And Thunderstorms then Slight Chance Showers And Thunderstorms | 3 mph SW | 75% |
| Saturday | 82°F | Showers And Thunderstorms Likely | 5 mph SW | 60% |
| Saturday Night | 65°F | Showers And Thunderstorms Likely | 3 mph SW | 60% |
| Sunday | 85°F | Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms | 2 to 6 mph SW | 24% |
| Sunday Night | 67°F | Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms | 5 mph SW | 35% |
| Monday | 83°F | Chance Rain Showers | 5 to 9 mph W | 45% |
| Monday Night | 64°F | Chance Showers And Thunderstorms | 3 to 7 mph SW | 45% |
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
Nearby towns & communities
Brooktondale
Cayuga Heights
Danby
Dryden
East Ithaca
Forest Home
Freeville
Groton
Ithaca
Jacksonville
Lansing
McLean
Newfield
Northeast Ithaca
Northwest Ithaca
Slaterville Springs
South Hill
Trumansburg
Varna
West Danby
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 Aug 4, 2026.