South Valley Stream, NY Weather & Growing Conditions
Today
71°F
Sunny
Sunny. High near 71, with temperatures falling to around 64 in the afternoon. South wind 8 to 13 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 71°F | Sunny | 8 to 13 mph S | 0% |
| Tonight | 59°F | Partly Cloudy | 7 to 10 mph S | 0% |
| Thursday | 70°F | Mostly Cloudy | 7 to 13 mph S | 9% |
| Thursday Night | 61°F | Showers And Thunderstorms Likely | 3 to 12 mph S | 71% |
| Friday | 68°F | Showers And Thunderstorms | 6 mph S | 92% |
| Friday Night | 55°F | Showers And Thunderstorms | 5 mph W | 75% |
| Saturday | 65°F | Mostly Sunny | 6 to 10 mph W | 14% |
| Saturday Night | 47°F | Slight Chance Light Rain | 10 mph W | 20% |
| Sunday | 61°F | Slight Chance Light Rain then Mostly Sunny | 12 mph NW | 15% |
| Sunday Night | 45°F | Partly Cloudy | 10 mph W | 5% |
| Monday | 60°F | Sunny | 12 to 15 mph W | 13% |
| Monday Night | 44°F | Mostly Clear | 10 mph W | 11% |
| Tuesday | 62°F | Sunny | 10 to 14 mph W | 4% |
| Tuesday Night | 45°F | Mostly Clear | 12 mph W | 1% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for South Valley Stream, NY
Last spring frost
Apr 2
First fall frost
Nov 14
Growing season
226 days
Hardiness zone
7b
Explore more for South Valley Stream, NY: full frost dates · planting calendar · New York frost dates
Climate data from the nearest NOAA station, New York Jfk Intl Ap, Ny (2.6 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.