Lake Success, NY Weather & Growing Conditions
This Afternoon
71°F
Sunny
Sunny. High near 71, with temperatures falling to around 65 in the afternoon. South wind around 10 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 71°F | Sunny | 10 mph S | 0% |
| Tonight | 59°F | Partly Cloudy | 7 to 10 mph S | 1% |
| Thursday | 70°F | Chance Light Rain | 7 to 13 mph S | 34% |
| Thursday Night | 62°F | Light Rain Likely | 5 to 12 mph S | 67% |
| Friday | 69°F | Light Rain Likely | 6 mph SW | 69% |
| Friday Night | 54°F | Light Rain Likely | 5 mph NW | 69% |
| Saturday | 65°F | Mostly Sunny | 6 to 12 mph W | 10% |
| Saturday Night | 47°F | Partly Cloudy then Slight Chance Light Rain | 13 mph NW | 21% |
| Sunday | 60°F | Slight Chance Light Rain then Mostly Sunny | 14 mph NW | 21% |
| Sunday Night | 45°F | Mostly Clear | 13 mph W | 0% |
| Monday | 59°F | Sunny | 13 to 16 mph W | 3% |
| Monday Night | 44°F | Mostly Clear | 12 mph W | 3% |
| Tuesday | 62°F | Sunny | 14 mph W | 1% |
| Tuesday Night | 45°F | Mostly Clear | 8 to 12 mph W | 1% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Lake Success, NY
Last spring frost
Apr 2
First fall frost
Nov 12
Growing season
224 days
Hardiness zone
7b
Explore more for Lake Success, NY: full frost dates · planting calendar · New York frost dates
Climate data from the nearest NOAA station, Mineola, Ny (4.5 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 5, 2026.