Winthrop, NY Weather & Growing Conditions
Today
63°F
Sunny
Sunny, with a high near 63. Northeast wind around 3 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 63°F | Sunny | 3 mph NE | 0% |
| Tonight | 43°F | Mostly Cloudy | 3 mph E | 2% |
| Sunday | 58°F | Rain Showers | 1 to 5 mph E | 82% |
| Sunday Night | 42°F | Mostly Cloudy | 0 to 3 mph N | 3% |
| Monday | 58°F | Partly Sunny | 3 to 7 mph N | 0% |
| Monday Night | 39°F | Mostly Cloudy | 3 mph NE | 0% |
| Tuesday | 61°F | Mostly Sunny | 3 to 9 mph NE | 0% |
| Tuesday Night | 39°F | Partly Cloudy | 2 to 8 mph NE | 0% |
| Wednesday | 66°F | Mostly Sunny | 2 to 8 mph NE | 1% |
| Wednesday Night | 41°F | Partly Cloudy | 1 to 7 mph E | 3% |
| Thursday | 65°F | Partly Sunny | 1 to 6 mph E | 7% |
| Thursday Night | 43°F | Mostly Cloudy | 1 to 6 mph NE | 13% |
| Friday | 66°F | Slight Chance Rain Showers | 2 to 8 mph NE | 15% |
| Friday Night | 44°F | Slight Chance Rain Showers then Partly Cloudy | 2 to 6 mph NE | 15% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Winthrop, NY
Last spring frost
May 10
First fall frost
Oct 5
Growing season
148 days
Hardiness zone
4b
Explore more for Winthrop, NY: full frost dates · planting calendar · New York frost dates
Climate data from the nearest NOAA station, Lawrenceville 3 Sw, Ny (6.9 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.