Jacksonville, NY Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Jacksonville, a community in Tompkins County, New York.
This Afternoon
71°F
Mostly Sunny
Mostly sunny, with a high near 71. North wind around 12 mph.
7-day forecast for Jacksonville
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 71°F | Mostly Sunny | 12 mph N | 0% |
| Tonight | 47°F | Mostly Cloudy | 2 to 12 mph N | 0% |
| Saturday | 66°F | Partly Sunny | 2 mph E | 1% |
| Saturday Night | 55°F | Mostly Cloudy then Rain Showers Likely | 1 to 13 mph SE | 65% |
| Sunday | 65°F | Rain Showers | 8 to 13 mph SW | 94% |
| Sunday Night | 51°F | Rain Showers Likely | 10 mph N | 63% |
| Monday | 62°F | Partly Sunny | 9 mph N | 3% |
| Monday Night | 48°F | Mostly Cloudy then Chance Rain Showers | 3 to 9 mph NE | 30% |
| Tuesday | 60°F | Chance Rain Showers | 7 mph E | 33% |
| Tuesday Night | 46°F | Chance Rain Showers | 7 mph E | 31% |
| Wednesday | 59°F | Chance Rain Showers | 6 to 9 mph E | 26% |
| Wednesday Night | 47°F | Slight Chance Showers And Thunderstorms | 7 mph SE | 36% |
| Thursday | 60°F | Chance Showers And Thunderstorms | 7 mph E | 36% |
| Thursday Night | 49°F | Chance Showers And Thunderstorms | 6 mph NE | 31% |
Forecast source: National Weather Service (api.weather.gov) for Jacksonville (42.506, -76.619). Updated through the day.
Growing snapshot for Jacksonville
Last spring frost
May 10
First fall frost
Oct 8
Growing season
150 days
Hardiness zone
6a
More local growing data for Jacksonville: nearby ZIP 14854 weather · frost dates · planting calendar · New York frost dates
Nearby towns & communities
Brooktondale
Cayuga Heights
Danby
Dryden
East Ithaca
Forest Home
Freeville
Groton
Ithaca
Lansing
McLean
Newfield
Northeast Ithaca
Northwest Ithaca
Slaterville Springs
South Hill
South Lansing
Trumansburg
Varna
West Danby
Climate data from the nearest NOAA station, Mecklenburg 4Sw, Ny (9.1 mi from Jacksonville). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.