Ithaca, NY Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Ithaca, a city in Tompkins County, New York.
Tonight
53°F
Partly Cloudy
Partly cloudy, with a low around 53. Southeast wind around 6 mph.
7-day forecast for Ithaca
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 53°F | Partly Cloudy | 6 mph SE | 5% |
| Wednesday | 75°F | Mostly Sunny | 5 to 10 mph SE | 4% |
| Wednesday Night | 61°F | Mostly Cloudy then Rain Showers Likely | 10 mph S | 72% |
| Thursday | 74°F | Rain Showers Likely | 6 to 10 mph S | 69% |
| Thursday Night | 51°F | Mostly Cloudy | 0 to 5 mph SW | 13% |
| Friday | 68°F | Slight Chance Rain Showers | 3 mph SW | 21% |
| Friday Night | 46°F | Chance Light Rain | 1 mph NW | 25% |
| Saturday | 58°F | Chance Light Rain | 1 to 8 mph NW | 37% |
| Saturday Night | 39°F | Chance Light Rain | 6 mph W | 37% |
| Sunday | 56°F | Partly Sunny | 3 to 8 mph W | 14% |
| Sunday Night | 37°F | Slight Chance Light Rain | 5 mph W | 19% |
| Monday | 57°F | Chance Light Rain | 5 to 13 mph NW | 33% |
| Monday Night | 36°F | Chance Light Rain | 6 mph SW | 33% |
| Tuesday | 59°F | Slight Chance Light Rain | 6 to 13 mph SW | 20% |
Forecast source: National Weather Service (api.weather.gov) for Ithaca (42.444, -76.503). Updated through the day.
Growing snapshot for Ithaca
Last spring frost
May 11
First fall frost
Oct 3
Growing season
145 days
Hardiness zone
6a
More local growing data for Ithaca: nearby ZIP 14850 weather · frost dates · planting calendar · New York frost dates
Nearby towns & communities
Brooktondale
Cayuga Heights
Danby
Dryden
East Ithaca
Forest Home
Freeville
Groton
Jacksonville
Lansing
McLean
Newfield
Northeast Ithaca
Northwest Ithaca
Slaterville Springs
South Hill
South Lansing
Trumansburg
Varna
West Danby
Climate data from the nearest NOAA station, Ithaca Cornell Univ, Ny (2.9 mi from Ithaca). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.