Jacksonville, NY Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Jacksonville, a community in Tompkins County, New York.
Overnight
52°F
Mostly Clear
Mostly clear, with a low around 52. South wind around 10 mph.
7-day forecast for Jacksonville
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 52°F | Mostly Clear | 10 mph S | 2% |
| Wednesday | 71°F | Mostly Sunny | 9 to 13 mph S | 3% |
| Wednesday Night | 58°F | Mostly Cloudy then Light Rain Likely | 16 mph S | 69% |
| Thursday | 71°F | Light Rain | 5 to 15 mph S | 80% |
| Thursday Night | 49°F | Partly Cloudy | 5 mph SW | 3% |
| Friday | 63°F | Partly Sunny | 5 mph S | 8% |
| Friday Night | 45°F | Chance Light Rain | 3 mph SW | 35% |
| Saturday | 53°F | Light Rain Likely | 5 to 10 mph NW | 61% |
| Saturday Night | 40°F | Light Rain Likely | 12 mph NW | 61% |
| Sunday | 52°F | Chance Light Rain | 10 mph W | 26% |
| Sunday Night | 37°F | Slight Chance Light Rain | 9 mph W | 15% |
| Monday | 52°F | Chance Light Rain | 9 to 13 mph W | 28% |
| Monday Night | 37°F | Slight Chance Light Rain then Partly Cloudy | 7 mph W | 24% |
| Tuesday | 56°F | Partly Sunny then Slight Chance Light Rain | 7 to 13 mph SW | 20% |
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
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Dryden
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Forest Home
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McLean
Newfield
Northeast Ithaca
Northwest Ithaca
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Trumansburg
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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 Nov 4, 2026.