Harman US

Wilmington, DE Weather & Growing Conditions

This Afternoon
70°F
Mostly Sunny
Mostly sunny, with a high near 70. South wind around 5 mph.

7-day forecast

WhenTempForecastWindPrecip
This Afternoon 70°F Mostly Sunny 5 mph S 2%
Tonight 50°F Mostly Cloudy 0 to 5 mph S 3%
Wednesday 74°F Patchy Fog then Partly Sunny 0 to 5 mph S 2%
Wednesday Night 58°F Mostly Cloudy 5 mph S 3%
Thursday 73°F Chance Light Rain 5 to 10 mph S 37%
Thursday Night 61°F Chance Light Rain then Chance T-storms 5 mph S 72%
Friday 71°F Light Rain 5 mph SW 77%
Friday Night 54°F Light Rain 0 to 5 mph NW 77%
Saturday 67°F Chance Light Rain 5 mph NW 25%
Saturday Night 46°F Slight Chance Light Rain then Partly Cloudy 5 mph NW 16%
Sunday 62°F Mostly Sunny 5 mph NW 9%
Sunday Night 44°F Slight Chance Light Rain 0 to 5 mph W 24%
Monday 59°F Chance Light Rain 5 to 10 mph NW 32%
Monday Night 43°F Chance Light Rain 5 to 10 mph NW 32%

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 (1.4 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 3, 2026.