Thornwood, NY Weather & Growing Conditions
Today
73°F
Sunny
Sunny. High near 73, with temperatures falling to around 65 in the afternoon. South wind 5 to 8 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 73°F | Sunny | 5 to 8 mph S | 0% |
| Tonight | 55°F | Partly Cloudy | 5 mph S | 0% |
| Thursday | 71°F | Chance Rain Showers | 5 to 9 mph S | 29% |
| Thursday Night | 59°F | Rain Showers Likely | 6 mph S | 65% |
| Friday | 69°F | Rain Showers | 3 mph SE | 83% |
| Friday Night | 51°F | Rain Showers Likely | 3 mph N | 67% |
| Saturday | 64°F | Mostly Sunny then Slight Chance Rain Showers | 7 mph NW | 17% |
| Saturday Night | 42°F | Slight Chance Light Rain | 8 mph W | 24% |
| Sunday | 58°F | Slight Chance Light Rain then Mostly Sunny | 9 mph NW | 15% |
| Sunday Night | 38°F | Partly Cloudy | 7 mph W | 4% |
| Monday | 57°F | Sunny | 8 to 12 mph W | 11% |
| Monday Night | 36°F | Mostly Clear | 8 mph W | 11% |
| Tuesday | 60°F | Sunny | 7 to 10 mph SW | 4% |
| Tuesday Night | 37°F | Mostly Clear | 8 mph W | 1% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Thornwood, NY
Last spring frost
Apr 12
First fall frost
Oct 31
Growing season
200 days
Hardiness zone
7a
Explore more for Thornwood, NY: full frost dates · planting calendar · New York frost dates
Climate data from the nearest NOAA station, Westchester Co Ap, Ny (4.7 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.