Ithaca, NY Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Ithaca, a city in Tompkins County, New York.
Overnight
55°F
Mostly Clear
Mostly clear, with a low around 55. Wind around 0 mph.
7-day forecast for Ithaca
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 55°F | Mostly Clear | 0 mph | 0% |
| Tuesday | 84°F | Areas Of Fog then Sunny | 2 mph S | 0% |
| Tuesday Night | 61°F | Mostly Clear | 3 mph SE | 0% |
| Wednesday | 87°F | Mostly Sunny | 3 to 7 mph S | 1% |
| Wednesday Night | 68°F | Slight Chance Rain Showers | 3 to 7 mph S | 18% |
| Thursday | 89°F | Showers And Thunderstorms | 6 mph S | 84% |
| Thursday Night | 68°F | Showers And Thunderstorms | 3 mph SW | 84% |
| Friday | 87°F | Showers And Thunderstorms | 1 to 5 mph SW | 76% |
| Friday Night | 67°F | Showers And Thunderstorms then Slight Chance Showers And Thunderstorms | 2 mph SW | 76% |
| Saturday | 86°F | Showers And Thunderstorms Likely | 1 to 5 mph SW | 61% |
| Saturday Night | 66°F | Showers And Thunderstorms Likely | 3 mph SW | 61% |
| Sunday | 89°F | Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms | 1 to 6 mph SW | 24% |
| Sunday Night | 68°F | Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms | 5 mph SW | 33% |
| Monday | 87°F | Chance Showers And Thunderstorms | 3 to 8 mph W | 44% |
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 Aug 4, 2026.