Delaware · 3 cities · Nov 11, 2026
Delaware soil temperatures (4 inch)
Median across the state, top 4 inches (modelled)54°FModelled by NOAA GFS, run Nov 11, 12:00 UTC (7 am Eastern). Warmest: Wilmington 57°F · coolest: Middletown 53°F
Cities
3
each on its own model grid cell
Change on a week ago
−5°F
median of the cities
Pre-emergent window open
0
of 3 cities today
Held 55°F last spring
May 5
median date
Soil temperature today, largest Delaware cities
°F, today's average of the 0–4 in layer. Green band: 50–55°F. Bars start at 30°F, not zero.
All 3 cities in Delaware
| City | Soil today | vs a week ago | Next 7 days | Grass seed |
|---|---|---|---|---|
| Wilmington, DE | 57°F | −4°F | 44°F–56°F | Too late in the season |
| Dover, DE | 54°F | −6°F | 43°F–56°F | Too late in the season |
| Middletown, DE | 53°F | −5°F | 43°F–55°F | Too late in the season |
City numbers are the modelled average of the top 4 inches (0–10 cm), not a probe at exactly 4 inches. Measured 2, 4 and 8 inch readings · Delaware by ZIP code
Crabgrass preventer timing in Delaware →
Data: Global Forecast System (GFS) 0.25°, soil temperature 0–10 cm (TSOIL) (NOAA National Centers for Environmental Prediction (NCEP)); GeoNames gazetteer (cities15000) (GeoNames).