Port Washington, NY Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Port Washington, a community in Nassau County, New York.
This Afternoon
78°F
Sunny
Sunny. High near 78, with temperatures falling to around 76 in the afternoon. North wind around 10 mph.
7-day forecast for Port Washington
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 78°F | Sunny | 10 mph N | 0% |
| Tonight | 61°F | Partly Cloudy | 10 to 16 mph N | 0% |
| Saturday | 69°F | Mostly Sunny | 7 to 16 mph E | 0% |
| Saturday Night | 62°F | Mostly Cloudy | 10 mph SE | 12% |
| Sunday | 69°F | Showers And Thunderstorms | 10 to 14 mph S | 82% |
| Sunday Night | 62°F | Showers And Thunderstorms | 8 to 18 mph NW | 88% |
| Monday | 66°F | Chance Rain Showers | 13 to 18 mph NE | 48% |
| Monday Night | 56°F | Chance Rain Showers | 12 to 15 mph NE | 29% |
| Tuesday | 64°F | Chance Rain Showers | 17 mph NE | 28% |
| Tuesday Night | 54°F | Chance Rain Showers then Mostly Cloudy | 18 mph NE | 28% |
| Wednesday | 64°F | Mostly Cloudy | 20 mph NE | 14% |
| Wednesday Night | 54°F | Chance Rain Showers | 17 to 21 mph NE | 36% |
| Thursday | 64°F | Chance Rain Showers | 16 to 21 mph NE | 36% |
| Thursday Night | 54°F | Chance Rain Showers | 15 to 20 mph NE | 35% |
Forecast source: National Weather Service (api.weather.gov) for Port Washington (40.827, -73.680). Updated through the day.
Growing snapshot for Port Washington
Last spring frost
Apr 1
First fall frost
Nov 16
Growing season
230 days
Hardiness zone
7b
More local growing data for Port Washington: nearby ZIP 11050 weather · frost dates · planting calendar · New York frost dates
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Climate data from the nearest NOAA station, Bronx, Ny (8.2 mi from Port Washington). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 18, 2026.