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Lewes, DE Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Lewes, a city in Sussex County, Delaware.

Today
75°F
Mostly Sunny
Mostly sunny, with a high near 75. Northeast wind around 15 mph.

7-day forecast for Lewes

WhenTempForecastWindPrecip
Today 75°F Mostly Sunny 15 mph NE 9%
Tonight 67°F Partly Cloudy 5 to 10 mph E 8%
Sunday 79°F Mostly Sunny 5 to 15 mph S 2%
Sunday Night 66°F Showers And Thunderstorms Likely 5 to 10 mph W 62%
Monday 72°F Rain Showers Likely 10 to 15 mph N 62%
Monday Night 63°F Chance Rain Showers 15 mph NE 37%
Tuesday 70°F Chance Rain Showers 15 to 25 mph NE 45%
Tuesday Night 62°F Chance Rain Showers 20 to 25 mph NE 45%
Wednesday 69°F Chance Rain Showers 25 to 30 mph NE 41%
Wednesday Night 62°F Chance Rain Showers 25 to 30 mph NE 44%
Thursday 67°F Chance Rain Showers 25 to 30 mph NE 44%
Thursday Night 58°F Chance Rain Showers 15 to 25 mph N 44%
Friday 68°F Chance Rain Showers 15 to 20 mph N 29%
Friday Night 58°F Chance Rain Showers 10 to 20 mph N 27%

Forecast source: National Weather Service (api.weather.gov) for Lewes (38.779, -75.144). Updated through the day.

Growing snapshot for Lewes

Last spring frost
Mar 29
First fall frost
Nov 14
Growing season
231 days
Hardiness zone
7b

More local growing data for Lewes: nearby ZIP 19958 weather · frost dates · planting calendar · Delaware frost dates

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Climate data from the nearest NOAA station, Lewes, De (3.9 mi from Lewes). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.