Brightwaters, NY Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Brightwaters, a village in Suffolk County, New York.
This Afternoon
68°F
Sunny
Sunny. High near 68, with temperatures falling to around 64 in the afternoon. South wind around 9 mph.
7-day forecast for Brightwaters
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 68°F | Sunny | 9 mph S | 0% |
| Tonight | 59°F | Partly Cloudy | 8 mph SW | 1% |
| Thursday | 69°F | Slight Chance Light Rain | 7 to 14 mph SW | 19% |
| Thursday Night | 60°F | Light Rain Likely | 7 to 13 mph SW | 74% |
| Friday | 68°F | Rain | 6 mph SW | 77% |
| Friday Night | 52°F | Rain | 5 mph NW | 77% |
| Saturday | 65°F | Mostly Sunny | 5 to 10 mph W | 11% |
| Saturday Night | 46°F | Slight Chance Light Rain | 10 to 15 mph W | 21% |
| Sunday | 59°F | Slight Chance Light Rain then Mostly Sunny | 16 mph NW | 21% |
| Sunday Night | 43°F | Mostly Clear | 12 to 15 mph W | 1% |
| Monday | 58°F | Sunny | 14 to 17 mph W | 5% |
| Monday Night | 43°F | Mostly Clear | 10 to 14 mph W | 5% |
| Tuesday | 60°F | Sunny | 13 to 16 mph W | 1% |
| Tuesday Night | 44°F | Mostly Clear | 9 to 13 mph W | 1% |
Forecast source: National Weather Service (api.weather.gov) for Brightwaters (40.716, -73.262). Updated through the day.
Growing snapshot for Brightwaters
Last spring frost
Apr 6
First fall frost
Nov 6
Growing season
213 days
Hardiness zone
7b
More local growing data for Brightwaters: nearby ZIP 11718 weather · frost dates · planting calendar · New York frost dates
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Climate data from the nearest NOAA station, Farmingdale Ap, Ny (8.2 mi from Brightwaters). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 5, 2026.