Mastic Beach, NY Weather & Growing Conditions
This Afternoon
78°F
Sunny
Sunny, with a high near 78. Northwest wind around 8 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 78°F | Sunny | 8 mph NW | 0% |
| Tonight | 59°F | Partly Cloudy | 5 to 10 mph N | 0% |
| Saturday | 67°F | Mostly Sunny | 8 to 12 mph E | 0% |
| Saturday Night | 60°F | Partly Cloudy | 5 to 8 mph SE | 2% |
| Sunday | 69°F | Showers And Thunderstorms Likely | 6 to 14 mph S | 70% |
| Sunday Night | 61°F | Showers And Thunderstorms | 10 to 15 mph SW | 90% |
| Monday | 67°F | Rain Showers Likely | 14 to 18 mph NE | 68% |
| Monday Night | 57°F | Chance Rain Showers | 14 to 21 mph NE | 28% |
| Tuesday | 64°F | Chance Rain Showers | 23 mph NE | 27% |
| Tuesday Night | 56°F | Chance Rain Showers then Mostly Cloudy | 21 to 25 mph NE | 27% |
| Wednesday | 64°F | Slight Chance Rain Showers | 23 to 26 mph NE | 17% |
| Wednesday Night | 56°F | Chance Rain Showers | 23 to 26 mph NE | 35% |
| Thursday | 63°F | Chance Rain Showers | 22 to 26 mph NE | 37% |
| Thursday Night | 55°F | Chance Rain Showers | 17 to 21 mph NE | 37% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Mastic Beach, NY
Last spring frost
Apr 18
First fall frost
Oct 28
Growing season
193 days
Hardiness zone
7a
Explore more for Mastic Beach, NY: full frost dates · planting calendar · New York frost dates
Climate data from the nearest NOAA station, Shirley Brookhaven Ap, Ny (4.2 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.