Holbrook, NY Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Holbrook, a community in Suffolk County, New York.
This Afternoon
80°F
Sunny
Sunny. High near 80, with temperatures falling to around 78 in the afternoon. North wind around 10 mph.
7-day forecast for Holbrook
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 80°F | Sunny | 10 mph N | 0% |
| Tonight | 56°F | Partly Cloudy | 7 to 10 mph N | 0% |
| Saturday | 69°F | Mostly Sunny | 12 mph E | 0% |
| Saturday Night | 57°F | Partly Cloudy | 5 to 9 mph SE | 2% |
| Sunday | 70°F | Showers And Thunderstorms | 7 to 16 mph SE | 76% |
| Sunday Night | 59°F | Showers And Thunderstorms | 7 to 13 mph SW | 90% |
| Monday | 68°F | Rain Showers Likely | 12 to 15 mph NE | 64% |
| Monday Night | 54°F | Chance Rain Showers | 9 to 15 mph NE | 27% |
| Tuesday | 65°F | Chance Rain Showers | 18 mph NE | 27% |
| Tuesday Night | 54°F | Chance Rain Showers then Mostly Cloudy | 14 to 17 mph NE | 27% |
| Wednesday | 65°F | Slight Chance Rain Showers | 20 mph NE | 15% |
| Wednesday Night | 53°F | Chance Rain Showers | 17 mph NE | 36% |
| Thursday | 64°F | Chance Rain Showers | 20 mph NE | 37% |
| Thursday Night | 53°F | Chance Rain Showers | 12 to 16 mph NE | 37% |
Forecast source: National Weather Service (api.weather.gov) for Holbrook (40.794, -73.070). Updated through the day.
Growing snapshot for Holbrook
Last spring frost
Apr 10
First fall frost
Nov 2
Growing season
207 days
Hardiness zone
7b
More local growing data for Holbrook: nearby ZIP 11741 weather · frost dates · planting calendar · New York frost dates
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Climate data from the nearest NOAA station, Islip Li Macarthur Ap, Ny (1.6 mi from Holbrook). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.