Jacksonville, NY Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Jacksonville, a community in Tompkins County, New York.
Today
67°F
Mostly Sunny
Mostly sunny, with a high near 67. East wind around 3 mph.
7-day forecast for Jacksonville
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 67°F | Mostly Sunny | 3 mph E | 0% |
| Tonight | 54°F | Mostly Cloudy then Rain | 2 to 14 mph SE | 77% |
| Sunday | 64°F | Rain | 8 to 14 mph SW | 94% |
| Sunday Night | 46°F | Chance Light Rain then Mostly Cloudy | 8 to 14 mph N | 40% |
| Monday | 60°F | Partly Sunny | 10 mph N | 0% |
| Monday Night | 44°F | Mostly Cloudy | 3 to 10 mph NE | 11% |
| Tuesday | 61°F | Slight Chance Rain Showers | 3 to 7 mph E | 18% |
| Tuesday Night | 44°F | Mostly Cloudy | 6 mph E | 6% |
| Wednesday | 61°F | Mostly Cloudy | 6 to 9 mph SE | 10% |
| Wednesday Night | 44°F | Mostly Cloudy then Slight Chance Rain Showers | 7 mph E | 22% |
| Thursday | 61°F | Chance Rain Showers | 7 mph E | 25% |
| Thursday Night | 45°F | Chance Rain Showers | 6 mph NE | 26% |
| Friday | 64°F | Chance Rain Showers | 3 to 9 mph N | 26% |
| Friday Night | 46°F | Slight Chance Rain Showers | 5 to 8 mph N | 21% |
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.