Jefferson, NY Weather & Growing Conditions
Overnight
51°F
Partly Cloudy
Partly cloudy, with a low around 51. Southwest wind around 7 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 51°F | Partly Cloudy | 7 mph SW | 5% |
| Wednesday | 70°F | Sunny | 6 to 9 mph SW | 4% |
| Wednesday Night | 57°F | Mostly Cloudy then Slight Chance Rain Showers | 6 to 10 mph SW | 19% |
| Thursday | 63°F | Rain Showers | 9 mph SW | 92% |
| Thursday Night | 54°F | Chance Rain Showers | 2 to 6 mph SW | 44% |
| Friday | 61°F | Chance Rain Showers then Chance Light Rain | 3 mph W | 50% |
| Friday Night | 45°F | Chance Light Rain | 2 mph NW | 52% |
| Saturday | 55°F | Chance Light Rain | 2 to 6 mph NW | 43% |
| Saturday Night | 37°F | Chance Light Rain | 7 mph W | 41% |
| Sunday | 50°F | Chance Light Rain then Partly Sunny | 8 mph W | 27% |
| Sunday Night | 33°F | Slight Chance Light Rain | 7 mph W | 20% |
| Monday | 49°F | Chance Rain And Snow | 9 mph W | 39% |
| Monday Night | 32°F | Chance Light Rain then Chance Rain And Snow | 9 mph W | 39% |
| Tuesday | 51°F | Chance Light Rain | 10 mph W | 29% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Jefferson, NY
Last spring frost
May 18
First fall frost
Oct 2
Growing season
137 days
Hardiness zone
5b
Explore more for Jefferson, NY: full frost dates · planting calendar · New York frost dates
Climate data from the nearest NOAA station, Lansing Manor, Ny (9 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.