Gilgo, NY Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Gilgo, a community in Suffolk County, New York.
Overnight
55°F
Patchy Fog
Patchy fog after 5am. Partly cloudy, with a low around 55. Southwest wind 5 to 8 mph.
7-day forecast for Gilgo
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 55°F | Patchy Fog | 5 to 8 mph SW | 3% |
| Wednesday | 68°F | Patchy Fog then Sunny | 5 to 13 mph SW | 3% |
| Wednesday Night | 59°F | Partly Cloudy | 12 mph S | 1% |
| Thursday | 68°F | Slight Chance Rain Showers | 9 to 14 mph S | 21% |
| Thursday Night | 60°F | Rain Showers | 9 to 14 mph SW | 83% |
| Friday | 67°F | Showers And Thunderstorms | 9 mph SW | 92% |
| Friday Night | 56°F | Showers And Thunderstorms | 8 mph W | 92% |
| Saturday | 64°F | Rain Showers Likely | 8 to 13 mph NW | 57% |
| Saturday Night | 47°F | Slight Chance Rain Showers | 14 mph NW | 17% |
| Sunday | 60°F | Slight Chance Rain Showers then Mostly Sunny | 13 mph W | 17% |
| Sunday Night | 45°F | Partly Cloudy | 12 to 15 mph W | 14% |
| Monday | 60°F | Chance Light Rain | 15 to 18 mph NW | 27% |
| Monday Night | 45°F | Chance Light Rain | 17 mph W | 27% |
| Tuesday | 61°F | Slight Chance Light Rain then Mostly Sunny | 20 mph W | 18% |
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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Brightwaters
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Center Moriches
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Central Islip
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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 Nov 4, 2026.