Mastic, NY Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Mastic, a community in Suffolk County, New York.
This Afternoon
68°F
Sunny
Sunny. High near 68, with temperatures falling to around 62 in the afternoon. South wind around 8 mph.
7-day forecast for Mastic
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 68°F | Sunny | 8 mph S | 0% |
| Tonight | 58°F | Mostly Cloudy | 6 mph SW | 1% |
| Thursday | 69°F | Partly Sunny | 6 to 12 mph SW | 14% |
| Thursday Night | 60°F | Light Rain | 6 to 12 mph SW | 77% |
| Friday | 67°F | Rain | 6 mph SW | 81% |
| Friday Night | 53°F | Rain | 3 mph W | 80% |
| Saturday | 64°F | Slight Chance Light Rain then Mostly Sunny | 3 to 8 mph W | 19% |
| Saturday Night | 42°F | Slight Chance Light Rain | 7 to 10 mph W | 23% |
| Sunday | 59°F | Slight Chance Light Rain then Mostly Sunny | 13 mph NW | 23% |
| Sunday Night | 39°F | Partly Cloudy | 10 mph W | 1% |
| Monday | 57°F | Sunny | 12 to 15 mph W | 7% |
| Monday Night | 38°F | Mostly Clear | 7 to 10 mph W | 7% |
| Tuesday | 60°F | Sunny | 10 to 14 mph W | 2% |
| Tuesday Night | 39°F | Mostly Clear | 6 to 9 mph W | 2% |
Forecast source: National Weather Service (api.weather.gov) for Mastic (40.810, -72.848). Updated through the day.
Growing snapshot for Mastic
Last spring frost
Apr 18
First fall frost
Oct 28
Growing season
193 days
Hardiness zone
7a
More local growing data for Mastic: nearby ZIP 11950 weather · frost dates · planting calendar · New York frost dates
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Climate data from the nearest NOAA station, Shirley Brookhaven Ap, Ny (1.6 mi from Mastic). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 5, 2026.