South Hempstead, NY Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for South Hempstead, a community in Nassau County, New York.
Today
72°F
Sunny
Sunny. High near 72, with temperatures falling to around 66 in the afternoon. Southwest wind 5 to 12 mph.
7-day forecast for South Hempstead
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 72°F | Sunny | 5 to 12 mph SW | 0% |
| Tonight | 59°F | Partly Cloudy | 9 mph S | 0% |
| Thursday | 70°F | Mostly Cloudy | 8 to 14 mph S | 7% |
| Thursday Night | 60°F | Showers And Thunderstorms Likely | 5 to 12 mph S | 73% |
| Friday | 69°F | Showers And Thunderstorms | 6 mph S | 93% |
| Friday Night | 55°F | Showers And Thunderstorms | 5 mph W | 77% |
| Saturday | 65°F | Mostly Sunny | 6 to 10 mph W | 14% |
| Saturday Night | 47°F | Slight Chance Light Rain | 10 mph W | 21% |
| Sunday | 60°F | Slight Chance Light Rain then Mostly Sunny | 12 mph NW | 15% |
| Sunday Night | 45°F | Partly Cloudy | 10 mph W | 5% |
| Monday | 59°F | Sunny | 12 to 15 mph W | 11% |
| Monday Night | 44°F | Mostly Clear | 10 mph W | 11% |
| Tuesday | 62°F | Sunny | 10 to 15 mph W | 4% |
| Tuesday Night | 44°F | Mostly Clear | 12 mph W | 1% |
Forecast source: National Weather Service (api.weather.gov) for South Hempstead (40.681, -73.623). Updated through the day.
Growing snapshot for South Hempstead
Last spring frost
Apr 2
First fall frost
Nov 12
Growing season
224 days
Hardiness zone
7b
More local growing data for South Hempstead: nearby ZIP 11550 weather · frost dates · planting calendar · New York frost dates
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Climate data from the nearest NOAA station, Mineola, Ny (2.2 mi from South Hempstead). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.