Clayton, DE Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Clayton, a town in Kent County, Delaware.

Tonight

63°F

Mostly Cloudy

Mostly cloudy, with a low around 63. North wind around 5 mph.

7-day forecast for Clayton

When	Temp	Forecast	Wind	Precip
Tonight	63°F	Mostly Cloudy	5 mph N	4%
Saturday	77°F	Mostly Sunny	10 mph E	3%
Saturday Night	66°F	Mostly Cloudy then Patchy Fog	5 to 10 mph SE	4%
Sunday	81°F	Chance Rain Showers	5 to 10 mph S	28%
Sunday Night	65°F	Showers And Thunderstorms	5 to 10 mph W	83%
Monday	73°F	Chance Rain Showers	5 to 10 mph N	48%
Monday Night	61°F	Chance Rain Showers	10 mph NE	38%
Tuesday	68°F	Chance Rain Showers	15 mph NE	43%
Tuesday Night	57°F	Chance Rain Showers	10 to 15 mph NE	43%
Wednesday	65°F	Chance Rain Showers	15 mph NE	40%
Wednesday Night	57°F	Chance Showers And Thunderstorms	10 to 15 mph NE	40%
Thursday	66°F	Chance Showers And Thunderstorms	10 to 15 mph NE	35%
Thursday Night	55°F	Chance Showers And Thunderstorms	5 to 10 mph N	35%
Friday	70°F	Slight Chance Rain Showers	10 mph N	24%

Forecast source: National Weather Service (api.weather.gov) for Clayton (39.274, -75.632). Updated through the day.

Growing snapshot for Clayton

Last spring frost

Apr 4

First fall frost

Nov 4

Growing season

214 days

Hardiness zone

More local growing data for Clayton: nearby ZIP 19955 weather · frost dates · planting calendar · Delaware frost dates

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Climate data from the nearest NOAA station, Dover, De (10.2 mi from Clayton). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.