Armonk, NY Weather & Growing Conditions
Overnight
53°F
Mostly Cloudy
Mostly cloudy. Low around 53, with temperatures rising to around 55 overnight. North wind around 7 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 53°F | Mostly Cloudy | 7 mph N | 0% |
| Saturday | 69°F | Partly Sunny | 8 mph E | 0% |
| Saturday Night | 55°F | Mostly Cloudy | 6 mph SE | 4% |
| Sunday | 67°F | Rain | 3 to 7 mph SE | 95% |
| Sunday Night | 53°F | Rain | 5 to 12 mph E | 92% |
| Monday | 66°F | Slight Chance Light Rain then Partly Sunny | 7 to 12 mph N | 23% |
| Monday Night | 48°F | Mostly Cloudy then Slight Chance Rain Showers | 6 to 10 mph NE | 20% |
| Tuesday | 62°F | Slight Chance Rain Showers | 10 mph NE | 24% |
| Tuesday Night | 47°F | Slight Chance Rain Showers then Mostly Cloudy | 9 to 13 mph NE | 23% |
| Wednesday | 63°F | Mostly Cloudy then Slight Chance Rain Showers | 15 mph NE | 18% |
| Wednesday Night | 48°F | Chance Rain Showers | 15 mph NE | 30% |
| Thursday | 62°F | Chance Rain Showers | 13 to 16 mph NE | 32% |
| Thursday Night | 48°F | Chance Rain Showers | 13 to 16 mph NE | 38% |
| Friday | 63°F | Chance Rain Showers | 14 mph N | 37% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Armonk, NY
Last spring frost
Apr 12
First fall frost
Oct 31
Growing season
200 days
Hardiness zone
7a
Explore more for Armonk, NY: full frost dates · planting calendar · New York frost dates
Climate data from the nearest NOAA station, Westchester Co Ap, Ny (4.3 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.