Dexter, NY Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Dexter, a village in Jefferson County, New York.
This Afternoon
68°F
Mostly Sunny
Mostly sunny, with a high near 68. North wind around 10 mph.
7-day forecast for Dexter
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 68°F | Mostly Sunny | 10 mph N | 0% |
| Tonight | 42°F | Mostly Cloudy | 5 to 8 mph NE | 0% |
| Saturday | 66°F | Mostly Sunny | 6 mph NE | 0% |
| Saturday Night | 46°F | Mostly Cloudy then Chance Rain Showers | 1 to 5 mph E | 49% |
| Sunday | 64°F | Rain Showers Likely | 2 to 8 mph E | 69% |
| Sunday Night | 45°F | Chance Rain Showers then Partly Cloudy | 3 to 8 mph NE | 26% |
| Monday | 62°F | Mostly Sunny | 12 mph NE | 0% |
| Monday Night | 43°F | Mostly Cloudy | 7 to 10 mph NE | 1% |
| Tuesday | 64°F | Partly Sunny | 8 to 12 mph NE | 2% |
| Tuesday Night | 43°F | Mostly Cloudy | 5 to 12 mph NE | 5% |
| Wednesday | 65°F | Mostly Sunny | 5 to 8 mph E | 10% |
| Wednesday Night | 45°F | Mostly Cloudy then Chance Rain Showers | 3 to 7 mph E | 26% |
| Thursday | 64°F | Chance Rain Showers | 5 to 8 mph E | 26% |
| Thursday Night | 47°F | Slight Chance Rain Showers | 3 to 7 mph NE | 23% |
Forecast source: National Weather Service (api.weather.gov) for Dexter (44.011, -76.043). Updated through the day.
Growing snapshot for Dexter
Last spring frost
May 11
First fall frost
Oct 1
Growing season
140 days
Hardiness zone
5a
More local growing data for Dexter: nearby ZIP 13634 weather · frost dates · planting calendar · New York frost dates
Nearby towns & communities
Adams
Adams Center
Alexandria Bay
Antwerp
Belleville
Black River
Brownville
Calcium
Cape Vincent
Carthage
Chaumont
Clayton
Deferiet
Depauville
Ellisburg
Evans Mills
Felts Mills
Fishers Landing
Fort Drum
Glen Park
Great Bend
Henderson
Herrings
La Fargeville
Lorraine
Mannsville
Oxbow
Pamelia Center
Philadelphia
Pierrepont Manor
Climate data from the nearest NOAA station, Watertown Intl Ap, Ny (2.9 mi from Dexter). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.