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
85°F
Mostly Sunny
Mostly sunny, with a high near 85. East wind around 5 mph.
7-day forecast for Port Washington
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 85°F | Mostly Sunny | 5 mph E | 0% |
| Tonight | 67°F | Mostly Cloudy | 2 to 6 mph E | 3% |
| Wednesday | 84°F | Partly Sunny then Slight Chance Showers And Thunderstorms | 2 to 8 mph SE | 23% |
| Wednesday Night | 72°F | Slight Chance Rain Showers | 6 to 9 mph S | 24% |
| Thursday | 89°F | Chance Showers And Thunderstorms | 6 to 10 mph SW | 34% |
| Thursday Night | 75°F | Chance Showers And Thunderstorms then Partly Cloudy | 7 to 10 mph SW | 35% |
| Friday | 91°F | Mostly Sunny then Chance Showers And Thunderstorms | 8 mph SW | 37% |
| Friday Night | 74°F | Chance Showers And Thunderstorms | 5 to 8 mph SW | 37% |
| Saturday | 89°F | Mostly Sunny then Chance Showers And Thunderstorms | 5 to 9 mph SW | 31% |
| Saturday Night | 73°F | Chance Showers And Thunderstorms | 5 to 9 mph SW | 31% |
| Sunday | 90°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 5 to 8 mph W | 15% |
| Sunday Night | 74°F | Slight Chance Showers And Thunderstorms then Mostly Clear | 5 to 8 mph SW | 15% |
| Monday | 92°F | Sunny | 5 to 10 mph W | 12% |
| Monday Night | 73°F | Slight Chance Rain Showers | 7 to 10 mph W | 17% |
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 Aug 4, 2026.