Smyrna, DE Weather & Growing Conditions
This Afternoon
71°F
Mostly Sunny
Mostly sunny. High near 71, with temperatures falling to around 65 in the afternoon. Southeast wind around 5 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 71°F | Mostly Sunny | 5 mph SE | 1% |
| Tonight | 51°F | Mostly Clear | 5 mph S | 2% |
| Wednesday | 75°F | Patchy Fog then Sunny | 5 to 10 mph S | 2% |
| Wednesday Night | 60°F | Mostly Cloudy | 5 mph S | 4% |
| Thursday | 75°F | Chance Light Rain | 5 to 10 mph S | 28% |
| Thursday Night | 63°F | Light Rain | 5 mph S | 89% |
| Friday | 70°F | Light Rain | 5 mph W | 89% |
| Friday Night | 52°F | Light Rain Likely | 0 to 5 mph W | 82% |
| Saturday | 66°F | Slight Chance Light Rain then Mostly Sunny | 5 to 10 mph NW | 24% |
| Saturday Night | 42°F | Partly Cloudy | 5 mph NW | 13% |
| Sunday | 60°F | Mostly Sunny | 5 to 10 mph W | 5% |
| Sunday Night | 41°F | Partly Cloudy then Slight Chance Light Rain | 5 mph W | 18% |
| Monday | 60°F | Slight Chance Light Rain | 10 to 15 mph W | 21% |
| Monday Night | 39°F | Slight Chance Light Rain | 5 mph W | 21% |
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 Nov 4, 2026.