Mystic Island, NJ Weather & Growing Conditions
Today
72°F
Mostly Cloudy
Mostly cloudy, with a high near 72. East wind 10 to 15 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 72°F | Mostly Cloudy | 10 to 15 mph E | 8% |
| Tonight | 60°F | Partly Cloudy | 5 to 10 mph E | 4% |
| Sunday | 75°F | Partly Sunny then Slight Chance Rain Showers | 5 to 15 mph S | 23% |
| Sunday Night | 60°F | Showers And Thunderstorms Likely | 5 to 10 mph W | 69% |
| Monday | 70°F | Rain Showers Likely | 10 to 15 mph N | 66% |
| Monday Night | 56°F | Chance Rain Showers | 10 to 15 mph NE | 37% |
| Tuesday | 67°F | Chance Rain Showers | 15 to 20 mph NE | 39% |
| Tuesday Night | 55°F | Chance Rain Showers | 15 to 20 mph NE | 37% |
| Wednesday | 67°F | Chance Rain Showers | 20 to 25 mph NE | 35% |
| Wednesday Night | 55°F | Chance Rain Showers | 15 to 25 mph NE | 39% |
| Thursday | 65°F | Chance Rain Showers | 20 mph NE | 42% |
| Thursday Night | 53°F | Chance Rain Showers | 15 to 20 mph N | 39% |
| Friday | 67°F | Chance Rain Showers | 15 mph N | 33% |
| Friday Night | 52°F | Chance Rain Showers | 10 to 15 mph N | 30% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Mystic Island, NJ
Last spring frost
Apr 1
First fall frost
Nov 15
Growing season
230 days
Hardiness zone
7b
Explore more for Mystic Island, NJ: full frost dates · planting calendar · New Jersey frost dates
Climate data from the nearest NOAA station, Brant Beach-Beach Haven, Nj (7.8 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.