Northwest Ithaca, NY Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Northwest Ithaca, a community in Tompkins County, New York.
This Afternoon
71°F
Mostly Sunny
Mostly sunny, with a high near 71. North wind around 10 mph.
7-day forecast for Northwest Ithaca
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 71°F | Mostly Sunny | 10 mph N | 0% |
| Tonight | 47°F | Mostly Cloudy | 1 to 9 mph N | 0% |
| Saturday | 67°F | Partly Sunny | 2 mph E | 1% |
| Saturday Night | 55°F | Mostly Cloudy then Rain Showers Likely | 1 to 10 mph SE | 69% |
| Sunday | 65°F | Rain Showers | 7 to 10 mph S | 95% |
| Sunday Night | 51°F | Rain Showers Likely | 6 to 10 mph N | 66% |
| Monday | 64°F | Partly Sunny | 8 mph N | 3% |
| Monday Night | 47°F | Mostly Cloudy then Chance Rain Showers | 2 to 8 mph NE | 30% |
| Tuesday | 61°F | Chance Rain Showers | 3 to 7 mph E | 34% |
| Tuesday Night | 46°F | Chance Rain Showers | 7 mph E | 31% |
| Wednesday | 59°F | Chance Rain Showers | 5 to 8 mph E | 26% |
| Wednesday Night | 47°F | Slight Chance Showers And Thunderstorms | 7 mph SE | 36% |
| Thursday | 61°F | Chance Showers And Thunderstorms | 7 mph E | 36% |
| Thursday Night | 49°F | Chance Showers And Thunderstorms | 2 to 6 mph NE | 31% |
Forecast source: National Weather Service (api.weather.gov) for Northwest Ithaca (42.459, -76.535). Updated through the day.
Growing snapshot for Northwest Ithaca
Last spring frost
May 11
First fall frost
Oct 3
Growing season
145 days
Hardiness zone
6a
More local growing data for Northwest 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
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Ithaca
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Newfield
Northeast Ithaca
Slaterville Springs
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Trumansburg
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West Danby
Climate data from the nearest NOAA station, Ithaca Cornell Univ, Ny (2.9 mi from Northwest Ithaca). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.