Harman US

Claymont, DE Weather & Growing Conditions

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

7-day forecast

WhenTempForecastWindPrecip
Today 86°F Mostly Sunny 5 mph E 0%
Tonight 68°F Mostly Cloudy 0 to 5 mph E 9%
Wednesday 85°F Showers And Thunderstorms Likely 0 to 5 mph SE 77%
Wednesday Night 73°F Chance Showers And Thunderstorms 5 mph S 55%
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 35%
Friday Night 73°F Chance Showers And Thunderstorms 5 mph SW 43%
Saturday 88°F Partly Sunny then Chance Showers And Thunderstorms 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 5 mph SW 17%
Monday 91°F Sunny 5 to 10 mph W 10%
Monday Night 73°F Slight Chance Showers And Thunderstorms 5 mph W 15%

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

Growing snapshot for Claymont, DE

Last spring frost
Mar 30
First fall frost
Nov 16
Growing season
230 days
Hardiness zone
7b

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

Climate data from the nearest NOAA station, Marcus Hook, Pa (2.1 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.