Cold Spring Harbor, NY Weather & Growing Conditions
Tonight
52°F
Patchy Fog
Patchy fog after 11pm. Partly cloudy, with a low around 52. Southwest wind around 5 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 52°F | Patchy Fog | 5 mph SW | 3% |
| Wednesday | 71°F | Patchy Fog then Sunny | 3 to 10 mph SW | 3% |
| Wednesday Night | 58°F | Partly Cloudy | 5 to 8 mph S | 2% |
| Thursday | 71°F | Chance Rain Showers | 5 to 10 mph S | 28% |
| Thursday Night | 61°F | Rain Showers | 5 to 8 mph S | 83% |
| Friday | 68°F | Showers And Thunderstorms | 6 mph SW | 89% |
| Friday Night | 55°F | Showers And Thunderstorms | 6 mph W | 89% |
| Saturday | 65°F | Rain Showers Likely | 8 mph NW | 56% |
| Saturday Night | 44°F | Slight Chance Rain Showers | 9 mph NW | 19% |
| Sunday | 60°F | Slight Chance Rain Showers then Mostly Sunny | 9 mph W | 18% |
| Sunday Night | 41°F | Partly Cloudy | 9 mph W | 13% |
| Monday | 59°F | Chance Light Rain | 9 to 15 mph NW | 25% |
| Monday Night | 40°F | Chance Light Rain | 12 mph W | 25% |
| Tuesday | 60°F | Slight Chance Light Rain then Mostly Sunny | 12 to 15 mph W | 18% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Cold Spring Harbor, NY
Last spring frost
Apr 9
First fall frost
Nov 10
Growing season
215 days
Hardiness zone
7b
Explore more for Cold Spring Harbor, NY: full frost dates · planting calendar · New York frost dates
Climate data from the nearest NOAA station, Centerport, Ny (4.5 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.