Ithaca, NY Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Ithaca, a city in Tompkins County, New York.
This Afternoon
74°F
Mostly Sunny
Mostly sunny, with a high near 74. North wind around 10 mph.
7-day forecast for Ithaca
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 74°F | Mostly Sunny | 10 mph N | 0% |
| Tonight | 47°F | Mostly Cloudy | 0 to 9 mph N | 0% |
| Saturday | 70°F | Mostly Sunny | 2 mph E | 1% |
| Saturday Night | 55°F | Mostly Cloudy then Rain Showers Likely | 1 to 8 mph SE | 69% |
| Sunday | 68°F | Rain Showers | 6 to 9 mph S | 95% |
| Sunday Night | 51°F | Rain Showers Likely | 3 to 8 mph N | 67% |
| Monday | 66°F | Partly Sunny | 5 to 8 mph N | 3% |
| Monday Night | 48°F | Mostly Cloudy then Chance Rain Showers | 2 to 6 mph NE | 30% |
| Tuesday | 64°F | Chance Rain Showers | 2 to 6 mph E | 34% |
| Tuesday Night | 46°F | Chance Rain Showers | 6 mph E | 30% |
| Wednesday | 62°F | Chance Rain Showers | 3 to 7 mph E | 26% |
| Wednesday Night | 47°F | Slight Chance Showers And Thunderstorms | 6 mph E | 35% |
| Thursday | 63°F | Chance Showers And Thunderstorms | 6 mph E | 35% |
| Thursday Night | 49°F | Chance Showers And Thunderstorms | 1 to 5 mph NE | 31% |
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 Sep 18, 2026.