Harman US

Bethany Beach, DE Weather & Growing Conditions

Tonight
68°F
Mostly Cloudy
Mostly cloudy, with a low around 68. Northeast wind 5 to 10 mph.

7-day forecast

WhenTempForecastWindPrecip
Tonight 68°F Mostly Cloudy 5 to 10 mph NE 3%
Saturday 74°F Partly Sunny 10 to 15 mph NE 6%
Saturday Night 69°F Partly Cloudy then Patchy Fog 10 to 15 mph E 4%
Sunday 78°F Patchy Fog then Mostly Sunny 10 to 15 mph SE 3%
Sunday Night 70°F Chance Showers And Thunderstorms 10 to 15 mph SW 52%
Monday 75°F Showers And Thunderstorms Likely 10 to 20 mph N 55%
Monday Night 67°F Chance Showers And Thunderstorms 15 to 20 mph NE 42%
Tuesday 72°F Chance Rain Showers 20 to 30 mph NE 52%
Tuesday Night 64°F Chance Rain Showers 25 to 30 mph NE 52%
Wednesday 71°F Chance Rain Showers 25 to 30 mph NE 51%
Wednesday Night 64°F Chance Showers And Thunderstorms 25 to 30 mph NE 51%
Thursday 69°F Chance Showers And Thunderstorms 25 to 30 mph NE 43%
Thursday Night 61°F Chance Showers And Thunderstorms 15 to 25 mph N 42%
Friday 71°F Slight Chance Rain Showers 15 to 20 mph N 24%

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

Growing snapshot for Bethany Beach, DE

Last spring frost
Mar 29
First fall frost
Nov 14
Growing season
231 days
Hardiness zone
8a

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

Climate data from the nearest NOAA station, Lewes, De (16.7 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.