Harman US

North Star, DE Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for North Star, a community in New Castle County, Delaware.

Overnight
64°F
Mostly Cloudy
Mostly cloudy, with a low around 64. Northeast wind around 5 mph.

7-day forecast for North Star

WhenTempForecastWindPrecip
Overnight 64°F Mostly Cloudy 5 mph NE 0%
Tuesday 84°F Mostly Sunny 5 mph NE 0%
Tuesday Night 67°F Mostly Cloudy 0 to 5 mph SE 12%
Wednesday 83°F Showers And Thunderstorms Likely 0 to 5 mph SE 82%
Wednesday Night 71°F Chance Showers And Thunderstorms 5 mph S 55%
Thursday 87°F Mostly Sunny then Slight Chance Showers And Thunderstorms 5 to 10 mph SW 22%
Thursday Night 72°F Chance Showers And Thunderstorms 5 mph SW 32%
Friday 88°F Mostly Sunny then Chance Showers And Thunderstorms 5 mph SW 38%
Friday Night 71°F Chance Showers And Thunderstorms 0 to 5 mph SW 46%
Saturday 86°F Partly Sunny then Chance Showers And Thunderstorms 0 to 5 mph SW 39%
Saturday Night 70°F Chance Showers And Thunderstorms 0 to 5 mph SW 39%
Sunday 87°F Mostly Sunny then Slight Chance Showers And Thunderstorms 0 to 5 mph W 17%
Sunday Night 71°F Slight Chance Showers And Thunderstorms then Partly Cloudy 0 to 5 mph SW 17%
Monday 89°F Mostly Sunny then Slight Chance Showers And Thunderstorms 5 to 10 mph W 15%

Forecast source: National Weather Service (api.weather.gov) for North Star (39.753, -75.735). Updated through the day.

Growing snapshot for North Star

Last spring frost
Apr 7
First fall frost
Nov 2
Growing season
208 days
Hardiness zone
7b

More local growing data for North Star: nearby ZIP 19711 weather · frost dates · planting calendar · Delaware frost dates

Nearby towns & communities

All Delaware locations ›

Climate data from the nearest NOAA station, Newark Ag Farm, De (3.2 mi from North Star). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.