Jacksonville, NY Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Jacksonville, a community in Tompkins County, New York.
Today
80°F
Patchy Fog then Sunny
Patchy fog before 9am. Sunny, with a high near 80. Southeast wind around 3 mph.
7-day forecast for Jacksonville
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 80°F | Patchy Fog then Sunny | 3 mph SE | 0% |
| Tonight | 61°F | Mostly Clear | 2 to 7 mph S | 0% |
| Wednesday | 83°F | Mostly Sunny | 9 mph S | 0% |
| Wednesday Night | 68°F | Slight Chance Rain Showers | 8 mph S | 17% |
| Thursday | 85°F | Showers And Thunderstorms | 8 mph S | 84% |
| Thursday Night | 68°F | Showers And Thunderstorms | 5 mph SW | 84% |
| Friday | 83°F | Showers And Thunderstorms | 6 mph SW | 76% |
| Friday Night | 66°F | Showers And Thunderstorms then Slight Chance Showers And Thunderstorms | 3 mph SW | 76% |
| Saturday | 82°F | Showers And Thunderstorms Likely | 6 mph SW | 60% |
| Saturday Night | 66°F | Showers And Thunderstorms Likely | 3 mph SW | 60% |
| Sunday | 85°F | Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms | 3 to 7 mph SW | 24% |
| Sunday Night | 67°F | Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms | 6 mph SW | 33% |
| Monday | 83°F | Chance Showers And Thunderstorms | 6 to 10 mph W | 43% |
| Monday Night | 64°F | Chance Showers And Thunderstorms | 5 to 8 mph W | 43% |
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 Aug 4, 2026.