Tappan, NY Weather & Growing Conditions
Overnight
55°F
Partly Cloudy
Partly cloudy. Low around 55, with temperatures rising to around 57 overnight. North wind around 9 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 55°F | Partly Cloudy | 9 mph N | 0% |
| Saturday | 71°F | Mostly Sunny | 6 to 9 mph NE | 0% |
| Saturday Night | 59°F | Mostly Cloudy then Slight Chance Rain Showers | 2 to 6 mph SE | 24% |
| Sunday | 69°F | Showers And Thunderstorms | 3 to 8 mph SE | 90% |
| Sunday Night | 58°F | Showers And Thunderstorms | 2 to 10 mph NW | 90% |
| Monday | 67°F | Chance Rain Showers | 10 mph N | 39% |
| Monday Night | 53°F | Chance Rain Showers | 7 to 10 mph NE | 29% |
| Tuesday | 63°F | Chance Rain Showers | 10 mph NE | 28% |
| Tuesday Night | 51°F | Chance Rain Showers | 12 mph NE | 28% |
| Wednesday | 62°F | Slight Chance Rain Showers | 13 mph NE | 18% |
| Wednesday Night | 51°F | Chance Rain Showers | 13 mph NE | 32% |
| Thursday | 63°F | Chance Rain Showers | 13 mph NE | 31% |
| Thursday Night | 51°F | Chance Rain Showers | 8 to 12 mph N | 35% |
| Friday | 67°F | Chance Rain Showers | 10 mph N | 35% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Tappan, NY
Last spring frost
Apr 20
First fall frost
Oct 26
Growing season
189 days
Hardiness zone
7a
Explore more for Tappan, NY: full frost dates · planting calendar · New York frost dates
Climate data from the nearest NOAA station, Dobbs Ferry-Ardsley, Ny (6.1 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.