Dexter, NY Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Dexter, a village in Jefferson County, New York.
Today
78°F
Sunny
Sunny, with a high near 78. Southwest wind 7 to 10 mph.
7-day forecast for Dexter
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 78°F | Sunny | 7 to 10 mph SW | 0% |
| Tonight | 60°F | Clear | 1 to 7 mph S | 0% |
| Wednesday | 85°F | Sunny | 5 to 8 mph S | 0% |
| Wednesday Night | 68°F | Partly Cloudy then Chance Rain Showers | 1 to 6 mph S | 25% |
| Thursday | 84°F | Chance Showers And Thunderstorms | 6 to 9 mph SW | 40% |
| Thursday Night | 67°F | Chance Showers And Thunderstorms | 6 mph SW | 40% |
| Friday | 81°F | Chance Rain Showers then Slight Chance Showers And Thunderstorms | 3 to 8 mph SW | 36% |
| Friday Night | 64°F | Chance Showers And Thunderstorms | 2 to 6 mph SW | 49% |
| Saturday | 81°F | Chance Showers And Thunderstorms | 3 to 9 mph SW | 49% |
| Saturday Night | 66°F | Slight Chance Showers And Thunderstorms | 5 to 8 mph SW | 23% |
| Sunday | 82°F | Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms | 6 to 13 mph SW | 19% |
| Sunday Night | 66°F | Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms | 7 to 10 mph SW | 48% |
| Monday | 80°F | Chance Rain Showers | 8 to 14 mph SW | 48% |
| Monday Night | 62°F | Chance Showers And Thunderstorms | 3 to 12 mph SW | 52% |
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
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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 Aug 4, 2026.