Live soil temperature · 2 inches down

Soil temperature in Las Vegas, NV

Right now · 89101

89.6°FHot

30°40°50°60°70°80°90°

Pre-emergent window (50-55°F)Crabgrass germinates near 60°F

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.

By depth

Surface: 83.8°F
2 in depth: 89.6°F
6 in depth: 96.1°F

Past 7 days · daily average

2 in depthSurface6 in depthPre-emergent window (50-55°F)

Interpretation

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: Extreme heat. St. Augustine is heat-stressed. Limit applications and prioritize irrigation.
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 Wed, 02 Sep 2026 14:38:01 GMT