Roslyn Heights, NY Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Roslyn Heights, a community in Nassau County, New York.
Today
84°F
Mostly Sunny
Mostly sunny, with a high near 84. East wind 3 to 7 mph.
7-day forecast for Roslyn Heights
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 84°F | Mostly Sunny | 3 to 7 mph E | 0% |
| Tonight | 67°F | Mostly Cloudy | 2 to 7 mph E | 3% |
| Wednesday | 84°F | Partly Sunny then Slight Chance Showers And Thunderstorms | 2 to 9 mph SE | 22% |
| Wednesday Night | 73°F | Slight Chance Rain Showers | 5 to 9 mph S | 23% |
| Thursday | 89°F | Mostly Sunny then Chance Showers And Thunderstorms | 5 to 12 mph SW | 30% |
| Thursday Night | 75°F | Chance Showers And Thunderstorms then Partly Cloudy | 6 to 10 mph SW | 34% |
| Friday | 91°F | Mostly Sunny then Chance Showers And Thunderstorms | 6 to 10 mph SW | 34% |
| Friday Night | 74°F | Chance Showers And Thunderstorms | 5 to 9 mph SW | 36% |
| Saturday | 89°F | Mostly Sunny then Chance Showers And Thunderstorms | 5 to 10 mph SW | 30% |
| Saturday Night | 73°F | Chance Showers And Thunderstorms | 6 to 9 mph SW | 31% |
| Sunday | 90°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 6 to 9 mph SW | 15% |
| Sunday Night | 74°F | Slight Chance Showers And Thunderstorms then Mostly Clear | 6 to 9 mph SW | 15% |
| Monday | 92°F | Sunny | 6 to 12 mph W | 11% |
| Monday Night | 73°F | Slight Chance Rain Showers | 7 to 12 mph W | 16% |
Forecast source: National Weather Service (api.weather.gov) for Roslyn Heights (40.779, -73.640). Updated through the day.
Growing snapshot for Roslyn Heights
Last spring frost
Apr 2
First fall frost
Nov 12
Growing season
224 days
Hardiness zone
7b
More local growing data for Roslyn Heights: nearby ZIP 11577 weather · frost dates · planting calendar · New York frost dates
Nearby towns & communities
Albertson
Atlantic Beach
Baldwin
Barnum Island
Baxter Estates
Bay Park
Bayville
Bellerose
Bellmore
Bethpage
Brookville
Carle Place
Cedarhurst
Centre Island
Cove Neck
East Atlantic Beach
East Hills
East Massapequa
East Meadow
East Norwich
East Rockaway
East Williston
Elmont
Floral Park
Flower Hill
Franklin Square
Freeport
Garden City
Garden City Park
Garden City South
Climate data from the nearest NOAA station, Mineola, Ny (3.6 mi from Roslyn Heights). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.