Sea Isle City, NJ Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Sea Isle City, a city in Cape May County, New Jersey.
This Afternoon
75°F
Partly Sunny
Partly sunny, with a high near 75. East wind around 10 mph.
7-day forecast for Sea Isle City
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 75°F | Partly Sunny | 10 mph E | 3% |
| Tonight | 67°F | Partly Cloudy | 5 to 10 mph E | 4% |
| Sunday | 77°F | Mostly Sunny | 5 to 15 mph SE | 13% |
| Sunday Night | 65°F | Chance Showers And Thunderstorms | 5 to 15 mph SW | 49% |
| Monday | 73°F | Chance Rain Showers | 10 to 15 mph N | 49% |
| Monday Night | 63°F | Chance Rain Showers | 15 mph NE | 46% |
| Tuesday | 70°F | Chance Rain Showers | 15 to 25 mph NE | 38% |
| Tuesday Night | 61°F | Chance Rain Showers | 20 to 25 mph NE | 38% |
| Wednesday | 69°F | Chance Rain Showers | 25 to 30 mph NE | 31% |
| Wednesday Night | 61°F | Chance Rain Showers | 25 to 30 mph NE | 36% |
| Thursday | 68°F | Chance Rain Showers | 25 to 30 mph NE | 42% |
| Thursday Night | 58°F | Chance Rain Showers | 20 to 30 mph NE | 42% |
| Friday | 68°F | Chance Rain Showers | 20 to 25 mph N | 37% |
| Friday Night | 58°F | Chance Rain Showers | 15 to 20 mph N | 35% |
Forecast source: National Weather Service (api.weather.gov) for Sea Isle City (39.151, -74.703). Updated through the day.
Growing snapshot for Sea Isle City
Last spring frost
Apr 24
First fall frost
Oct 22
Growing season
181 days
Hardiness zone
7b
More local growing data for Sea Isle City: nearby ZIP 08243 weather · frost dates · planting calendar · New Jersey frost dates
Nearby towns & communities
Avalon
Beesleys Point
Belleplain
Burleigh
Cape May
Cape May Court House
Cape May Point
Corbin City
Dennisville
Diamond Beach
Erma
Goshen
Marmora
Marshallville
North Cape May
North Wildwood
Ocean City
Ocean View
Palermo
Rio Grande
Seaville
South Dennis
South Seaville
Stone Harbor
Strathmere
Tuckahoe
Villas
West Cape May
West Wildwood
Whitesboro
Climate data from the nearest NOAA station, Belleplain Stn Forest, Nj (10.3 mi from Sea Isle City). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 20, 2026.