SOIL · 2 IN DEPTH · SAN DIEGO, CA
Soil temperature in San Diego, CA
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
70.7°F
2 IN DEPTH
73.7°F
6 IN DEPTH
77.5°F
PAST 7 DAYS · DAILY AVERAGE
2 in depthSurface6 in depth
What this means for your grass
Bermuda
Bermuda is in active growth. Your full fertilizer, herbicide, and PGR program is appropriate.
Zoysia
Zoysia is in active growth. Full program is appropriate, confirm visual greenup before applying nitrogen, as zoysia breaks later than bermuda.
St. Augustine
St. Augustine is in active growth. Full fertilizer program is appropriate. Watch for chinch bugs as temps climb.
Cool-season
Warming toward summer stress threshold. Reduce nitrogen and prepare for potential summer dormancy.
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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 06:34:21 GMT