Soil Temperature in Delaware
Browse soil temperature data for 4 cities across Delaware. Each page includes current soil readings from the nearest USDA monitoring station, historical averages, USDA hardiness zone, and planting window recommendations.
Cities in Delaware (4)
| City | ZIP | Current Temp | Distance from state center |
|---|---|---|---|
| Dover | 19901 | — | 12 mi |
| New Castle | 19720 | — | 42 mi |
| Newark | 19702 | — | 46 mi |
| Wilmington | 19801 | — | 52 mi |
Soil Temperature FAQ for Delaware
What is the current soil temperature in Delaware?
Soil temperatures vary across Delaware depending on location, elevation, and recent weather. Enter your ZIP code on any city page for the reading from your nearest USDA monitoring station.
When should I apply pre-emergent in Delaware?
Apply pre-emergent herbicide when soil at 2 inches reaches 55°F for several consecutive days. Timing varies across Delaware, so check your city's page for station-specific readings and the pre-emergent timing recommendation.
When can I plant grass seed in Delaware?
Cool-season grasses (fescue, bluegrass) can be seeded when soil holds between 50 and 65°F. Warm-season grasses (bermuda, zoysia) need soil above 65°F. Timing varies by location, so check your city's planting window for the dates specific to your area.