Barnum Island, NY Weather & Growing Conditions
This Afternoon
66°F
Mostly Sunny
Mostly sunny. High near 66, with temperatures falling to around 62 in the afternoon. South wind 9 to 13 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 66°F | Mostly Sunny | 9 to 13 mph S | 0% |
| Tonight | 53°F | Mostly Clear | 3 to 9 mph SW | 0% |
| Wednesday | 70°F | Mostly Sunny | 3 to 9 mph SW | 0% |
| Wednesday Night | 57°F | Mostly Cloudy | 6 to 9 mph S | 0% |
| Thursday | 69°F | Slight Chance Rain Showers | 6 to 12 mph S | 24% |
| Thursday Night | 59°F | Showers And Thunderstorms Likely | 5 to 10 mph SW | 67% |
| Friday | 68°F | Showers And Thunderstorms | 5 to 8 mph S | 79% |
| Friday Night | 57°F | Showers And Thunderstorms then Light Rain | 8 mph W | 79% |
| Saturday | 65°F | Light Rain Likely | 9 mph NW | 60% |
| Saturday Night | 51°F | Chance Light Rain then Partly Cloudy | 9 mph NW | 26% |
| Sunday | 61°F | Mostly Sunny | 9 mph NW | 13% |
| Sunday Night | 50°F | Partly Cloudy then Slight Chance Light Rain | 6 to 9 mph W | 19% |
| Monday | 60°F | Chance Light Rain | 9 to 15 mph NW | 33% |
| Monday Night | 47°F | Chance Light Rain | 15 mph NW | 33% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Barnum Island, NY
Last spring frost
Apr 7
First fall frost
Nov 8
Growing season
212 days
Hardiness zone
7b
Explore more for Barnum Island, NY: full frost dates · planting calendar · New York frost dates
Climate data from the nearest NOAA station, Oceanside, Ny (2.2 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 3, 2026.