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.
Today
73°F
Sunny
Sunny. High near 73, with temperatures falling to around 70 in the afternoon. South wind 5 to 10 mph.
7-day forecast for Port Washington
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 73°F | Sunny | 5 to 10 mph S | 0% |
| Tonight | 59°F | Partly Cloudy | 5 to 13 mph S | 0% |
| Thursday | 72°F | Mostly Cloudy | 14 mph S | 10% |
| Thursday Night | 61°F | Showers And Thunderstorms Likely | 7 to 14 mph S | 70% |
| Friday | 70°F | Showers And Thunderstorms | 6 mph S | 91% |
| Friday Night | 58°F | Rain Showers Likely | 5 to 8 mph NW | 74% |
| Saturday | 63°F | Mostly Sunny then Slight Chance Rain Showers | 12 mph W | 15% |
| Saturday Night | 47°F | Slight Chance Light Rain | 13 mph W | 23% |
| Sunday | 60°F | Slight Chance Light Rain then Mostly Sunny | 10 mph W | 15% |
| Sunday Night | 44°F | Partly Cloudy | 10 mph W | 5% |
| Monday | 59°F | Sunny | 10 to 15 mph W | 11% |
| Monday Night | 43°F | Mostly Clear | 8 to 12 mph W | 11% |
| Tuesday | 61°F | Sunny | 13 mph SW | 4% |
| Tuesday Night | 44°F | Mostly Clear | 12 mph W | 1% |
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 Nov 4, 2026.