Sea Isle City, NJ Weather & Growing Conditions
Today
69°F
Sunny
Sunny, with a high near 69. South wind around 5 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 69°F | Sunny | 5 mph S | 1% |
| Tonight | 61°F | Mostly Cloudy | 5 to 10 mph S | 1% |
| Thursday | 69°F | Mostly Cloudy | 10 to 15 mph S | 11% |
| Thursday Night | 61°F | Light Rain | 5 to 10 mph S | 88% |
| Friday | 67°F | Rain | 5 mph S | 97% |
| Friday Night | 53°F | Rain | 5 mph W | 97% |
| Saturday | 63°F | Mostly Sunny | 5 to 10 mph NW | 11% |
| Saturday Night | 44°F | Partly Cloudy | 10 mph NW | 5% |
| Sunday | 59°F | Sunny | 10 to 15 mph NW | 5% |
| Sunday Night | 43°F | Mostly Clear | 10 mph W | 7% |
| Monday | 59°F | Sunny | 10 to 15 mph NW | 7% |
| Monday Night | 42°F | Mostly Clear | 10 mph W | 5% |
| Tuesday | 61°F | Sunny | 10 to 15 mph W | 4% |
| Tuesday Night | 43°F | Mostly Clear | 10 mph W | 0% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Sea Isle City, NJ
Last spring frost
Apr 24
First fall frost
Oct 22
Growing season
181 days
Hardiness zone
7b
Explore more for Sea Isle City, NJ: full frost dates · planting calendar · New Jersey frost dates
Climate data from the nearest NOAA station, Belleplain Stn Forest, Nj (10.3 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.