Harman US

Claymont, DE Weather & Growing Conditions

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

This Afternoon
71°F
Partly Sunny
Partly sunny. High near 71, with temperatures falling to around 65 in the afternoon. South wind around 5 mph.

7-day forecast for Claymont

WhenTempForecastWindPrecip
This Afternoon 71°F Partly Sunny 5 mph S 1%
Tonight 52°F Partly Cloudy then Patchy Fog 5 mph S 2%
Wednesday 75°F Patchy Fog then Sunny 0 to 10 mph S 5%
Wednesday Night 60°F Mostly Cloudy 5 mph S 6%
Thursday 74°F Chance Light Rain 5 to 10 mph S 39%
Thursday Night 63°F Light Rain 5 mph S 82%
Friday 70°F Light Rain 0 to 5 mph W 82%
Friday Night 54°F Light Rain 0 to 5 mph NW 77%
Saturday 66°F Chance Light Rain then Mostly Sunny 5 to 10 mph NW 33%
Saturday Night 45°F Partly Cloudy 5 mph NW 14%
Sunday 61°F Mostly Sunny 5 mph NW 6%
Sunday Night 43°F Slight Chance Light Rain 5 mph W 18%
Monday 61°F Slight Chance Light Rain 5 to 10 mph W 22%
Monday Night 42°F Slight Chance Light Rain 5 to 10 mph W 22%

Forecast source: National Weather Service (api.weather.gov) for Claymont (39.803, -75.460). Updated through the day.

Growing snapshot for Claymont

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

More local growing data for Claymont: nearby ZIP 19703 weather · frost dates · planting calendar · Delaware frost dates

Nearby towns & communities

All Delaware locations ›

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