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Erma, NJ Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Erma, a community in Cape May County, New Jersey.

Today
83°F
Mostly Sunny
Mostly sunny, with a high near 83. Northeast wind 5 to 10 mph.

7-day forecast for Erma

WhenTempForecastWindPrecip
Today 83°F Mostly Sunny 5 to 10 mph NE 3%
Tonight 70°F Mostly Cloudy then Slight Chance Rain Showers 0 to 5 mph E 22%
Wednesday 86°F Chance Rain Showers then Slight Chance Showers And Thunderstorms 0 to 10 mph SE 34%
Wednesday Night 73°F Partly Cloudy 5 to 10 mph S 12%
Thursday 90°F Sunny 5 to 10 mph S 6%
Thursday Night 74°F Mostly Clear 5 to 10 mph S 7%
Friday 91°F Sunny 5 to 10 mph SW 13%
Friday Night 73°F Chance Showers And Thunderstorms 5 to 10 mph SW 38%
Saturday 89°F Mostly Sunny then Slight Chance Showers And Thunderstorms 5 to 10 mph SW 16%
Saturday Night 72°F Slight Chance Showers And Thunderstorms 5 mph SW 24%
Sunday 87°F Mostly Sunny then Slight Chance Showers And Thunderstorms 5 mph SW 17%
Sunday Night 73°F Slight Chance Showers And Thunderstorms then Partly Cloudy 5 mph SW 17%
Monday 90°F Sunny 5 to 10 mph SW 5%
Monday Night 73°F Slight Chance Showers And Thunderstorms 5 mph SW 15%

Forecast source: National Weather Service (api.weather.gov) for Erma (38.995, -74.892). Updated through the day.

Growing snapshot for Erma

Last spring frost
Apr 1
First fall frost
Nov 9
Growing season
222 days
Hardiness zone
8a

More local growing data for Erma: nearby ZIP 08242 weather · frost dates · planting calendar · New Jersey frost dates

Nearby towns & communities

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Climate data from the nearest NOAA station, Cape May 2 Nw, Nj (5.2 mi from Erma). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.