Jefferson Valley-Yorktown, NY Weather & Growing Conditions
This Afternoon
71°F
Sunny
Sunny. High near 71, with temperatures falling to around 65 in the afternoon. South wind around 7 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 71°F | Sunny | 7 mph S | 0% |
| Tonight | 55°F | Partly Cloudy | 5 mph S | 3% |
| Thursday | 69°F | Light Rain Likely | 6 to 9 mph S | 71% |
| Thursday Night | 59°F | Light Rain Likely | 2 to 6 mph SW | 69% |
| Friday | 69°F | Chance Light Rain | 3 mph W | 52% |
| Friday Night | 50°F | Chance Light Rain | 3 mph NW | 52% |
| Saturday | 63°F | Mostly Sunny then Slight Chance Light Rain | 3 to 7 mph NW | 21% |
| Saturday Night | 44°F | Chance Light Rain | 6 to 9 mph NW | 30% |
| Sunday | 58°F | Chance Light Rain then Mostly Sunny | 6 to 10 mph NW | 30% |
| Sunday Night | 41°F | Partly Cloudy | 5 to 8 mph W | 0% |
| Monday | 56°F | Sunny | 8 to 13 mph W | 5% |
| Monday Night | 38°F | Mostly Clear | 7 mph W | 5% |
| Tuesday | 60°F | Sunny | 6 to 10 mph W | 1% |
| Tuesday Night | 38°F | Mostly Clear | 6 mph W | 1% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Jefferson Valley-Yorktown, NY
Last spring frost
Apr 30
First fall frost
Oct 17
Growing season
172 days
Hardiness zone
6b
Explore more for Jefferson Valley-Yorktown, NY: full frost dates · planting calendar · New York frost dates
Climate data from the nearest NOAA station, Shrub Oak, Ny (3.6 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.