Harman US

Wilmington, DE Weather & Growing Conditions

Today
86°F
Mostly Sunny
Mostly sunny, with a high near 86. Northeast wind around 5 mph.

7-day forecast

WhenTempForecastWindPrecip
Today 86°F Mostly Sunny 5 mph NE 0%
Tonight 69°F Mostly Cloudy 0 to 5 mph SE 11%
Wednesday 85°F Showers And Thunderstorms Likely 0 to 5 mph E 81%
Wednesday Night 73°F Chance Showers And Thunderstorms 0 to 5 mph S 54%
Thursday 90°F Mostly Sunny then Slight Chance Showers And Thunderstorms 5 to 10 mph SW 20%
Thursday Night 74°F Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms 5 mph SW 25%
Friday 90°F Mostly Sunny then Chance Showers And Thunderstorms 5 mph SW 34%
Friday Night 73°F Chance Showers And Thunderstorms 0 to 5 mph SW 44%
Saturday 89°F Partly Sunny then Chance Showers And Thunderstorms 0 to 5 mph SW 36%
Saturday Night 72°F Chance Showers And Thunderstorms 0 to 5 mph SW 36%
Sunday 89°F Mostly Sunny then Slight Chance Showers And Thunderstorms 0 to 5 mph W 17%
Sunday Night 73°F Slight Chance Showers And Thunderstorms then Partly Cloudy 0 to 5 mph SW 17%
Monday 91°F Sunny 0 to 5 mph W 11%
Monday Night 73°F Slight Chance Showers And Thunderstorms 5 mph W 16%

Forecast source: National Weather Service (api.weather.gov). Updated through the day.

Growing snapshot for Wilmington, DE

Last spring frost
Apr 7
First fall frost
Nov 4
Growing season
209 days
Hardiness zone
7b

Explore more for Wilmington, DE: full frost dates · planting calendar · Delaware frost dates

Climate data from the nearest NOAA station, Wilmington Porter Rsch, De (3.5 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.