Harman US

Smyrna, DE Weather & Growing Conditions

Overnight
63°F
Mostly Cloudy
Mostly cloudy, with a low around 63. Northeast wind around 10 mph.

7-day forecast

WhenTempForecastWindPrecip
Overnight 63°F Mostly Cloudy 10 mph NE 5%
Saturday 77°F Mostly Sunny 10 mph E 3%
Saturday Night 66°F Mostly Cloudy then Patchy Fog 5 to 10 mph SE 5%
Sunday 80°F Chance Rain Showers 10 mph S 29%
Sunday Night 65°F Showers And Thunderstorms 5 to 10 mph W 82%
Monday 73°F Chance Rain Showers 10 mph N 50%
Monday Night 61°F Chance Rain Showers 10 mph NE 38%
Tuesday 68°F Chance Rain Showers 10 to 15 mph NE 42%
Tuesday Night 57°F Chance Rain Showers 10 to 15 mph NE 42%
Wednesday 65°F Chance Rain Showers 15 mph NE 39%
Wednesday Night 57°F Chance Showers And Thunderstorms 10 to 15 mph NE 39%
Thursday 66°F Chance Showers And Thunderstorms 15 mph NE 35%
Thursday Night 56°F Chance Showers And Thunderstorms 5 to 15 mph N 35%
Friday 70°F Slight Chance Rain Showers 10 mph N 24%

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

Growing snapshot for Smyrna, DE

Last spring frost
Apr 4
First fall frost
Nov 4
Growing season
214 days
Hardiness zone
7b

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

Climate data from the nearest NOAA station, Dover, De (10.7 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.