SOIL · 2 IN DEPTH · LOUISVILLE, KY
Soil temperature in Louisville, KY
Crabgrass pre-emergent: Window has likely passed: soil is at or above 60°F. Pre-emergent is a product that stops weed seeds before they sprout, so it only works ahead of germination.
SURFACE
77.5°F
2 IN DEPTH
81.6°F
6 IN DEPTH
82.4°F
PAST 7 DAYS · DAILY AVERAGE
2 in depthSurface6 in depth
What this means for your grass
Bermuda
Soil is hot. Avoid elemental sulfur and any heat-stress products. Maintain irrigation to prevent drought dormancy.
Zoysia
Soil is hot. Monitor for brown patch pressure and keep irrigation consistent.
St. Augustine
St. Augustine is in active growth. Full fertilizer program is appropriate. Watch for chinch bugs as temps climb.
Cool-season
Cool-season grass is likely heat-stressed or dormant. Hold fertilizer, maintain irrigation, and wait for fall.
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Weather data from Open-Meteo. Timing guidance follows the sources on when to apply pre-emergent and how to use soil temperature.DATA AS OF Sun, 19 Jul 2026 06:33:50 GMT