Gilgo, NY Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Gilgo, a community in Suffolk County, New York.
Overnight
69°F
Partly Cloudy
Partly cloudy. Low around 69, with temperatures rising to around 71 overnight. North wind around 6 mph.
7-day forecast for Gilgo
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 69°F | Partly Cloudy | 6 mph N | 0% |
| Tuesday | 81°F | Mostly Sunny | 3 to 8 mph E | 0% |
| Tuesday Night | 68°F | Mostly Cloudy | 2 to 6 mph E | 6% |
| Wednesday | 81°F | Partly Sunny then Slight Chance Rain Showers | 2 to 8 mph E | 16% |
| Wednesday Night | 72°F | Mostly Cloudy then Slight Chance Rain Showers | 8 mph S | 22% |
| Thursday | 84°F | Mostly Sunny | 7 to 15 mph SW | 10% |
| Thursday Night | 74°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 8 to 16 mph SW | 20% |
| Friday | 85°F | Sunny then Slight Chance Showers And Thunderstorms | 7 to 13 mph SW | 16% |
| Friday Night | 74°F | Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms | 7 to 12 mph SW | 34% |
| Saturday | 83°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 7 to 12 mph SW | 21% |
| Saturday Night | 73°F | Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms | 7 to 12 mph SW | 29% |
| Sunday | 84°F | Mostly Sunny | 7 to 12 mph SW | 11% |
| Sunday Night | 74°F | Mostly Clear | 7 to 12 mph SW | 10% |
| Monday | 85°F | Sunny | 7 to 13 mph SW | 9% |
Forecast source: National Weather Service (api.weather.gov) for Gilgo (40.636, -73.384). Updated through the day.
Growing snapshot for Gilgo
Last spring frost
Apr 3
First fall frost
Nov 11
Growing season
221 days
Hardiness zone
7b
More local growing data for Gilgo: nearby ZIP 11702 weather · frost dates · planting calendar · New York frost dates
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Climate data from the nearest NOAA station, Wantagh Cedar Creek, Ny (6.5 mi from Gilgo). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.