ZIP 89004 · Summerlin South, NV · Nov 11, 2026

Soil temperature for ZIP code 89004

58°Faverage today, 0–4 in deep (modelled)
low 52°F · high 66°F

Modelled by NOAA GFS, not measured · run Nov 11, 12:00 UTC (7 am Eastern) · grid cell 9.1 km from the ZIP centre point

On a week ago
3° warmer
55°F on Nov 4
5-day mean
57°F
what the verdicts use
Held 55°F last spring
Mar 11
crabgrass germination temperature

What the soil says today

  • Pre-emergentSeason over
  • Cool-season seedToo late in the season
  • Warm-season seedToo cold
  • TomatoesToo cold
  • Peas and lettuceWarm enough

From the 5-day mean of the modelled 0–4 in layer.

Soil temperature, 0–4 in: last 7 days and next 7

°F, modelled. Dots and line: daily average (dashed = forecast); bars: low to high; green band: 50–55°F.

40°50°60°70°80°50–55°F windowNov 4Nov 6Nov 8TodayNov 14Nov 1655°58°56°
View as table
DayAverageLowHigh
Nov 455.0°F49.2°F63.1°Fanalysis
Nov 555.5°F49.8°F63.9°Fanalysis
Nov 656.0°F50.3°F63.9°Fanalysis
Nov 756.5°F50.8°F65.1°Fanalysis
Nov 857.3°F51.0°F66.6°Fanalysis
Nov 957.4°F51.2°F66.0°Fanalysis
Nov 1057.2°F51.0°F66.0°Fanalysis
Today57.9°F51.9°F66.5°Fanalysis
Nov 1258.0°F52.4°F65.6°Fforecast
Nov 1357.0°F52.8°F62.7°Fforecast
Nov 1455.8°F52.5°F60.9°Fforecast
Nov 1554.8°F49.7°F62.3°Fforecast
Nov 1654.8°F50.3°F60.3°Fforecast
Nov 1755.7°F53.4°F58.1°Fforecast
Source: NOAA NCEP GFS 0.25°, 0–10 cm soil temperature, run Nov 11, 12:00 UTC (7 am Eastern).

Spring 2026 threshold dates

From the 5-day mean held for 10 days or more.

SoilWhat it meansHeld from (spring 2026)
40°FPeas and lettuceJan 13
50°FPre-emergent window opensFeb 3
55°FCrabgrass can germinateMar 11
60°FTomatoesMar 13
65°FWarm-season grass seedMar 16

Las Vegas, NV, 29 km away: the full city page, with the 2026 season chart, growing degree days and nearby cities →

Nearby ZIP codes

Today's modelled average.

89135 61°F · 89161 58°F · 89148 61°F · 89178 61°F · 89113 61°F · 89147 61°F · 89117 63°F · 89144 63°F

More: crabgrass timing in Nevada · every Nevada city · how accurate the model is.

Questions

What is the soil temperature in ZIP code 89004 today?
About 58°F on average in the top 4 inches (0–10 cm), low 52°F and high 66°F, from NOAA's GFS model run of Nov 11, 12:00 UTC (7 am Eastern). It is a model value for a grid cell 9.1 km from the ZIP centre, not a reading from your yard.
Is it time for crabgrass preventer in 89004?
The spring window is closed. It opens again when the soil holds 50°F. Last spring the soil held 50°F from Feb 3 and 55°F from Mar 11.

Data: Global Forecast System (GFS) 0.25°, soil temperature 0–10 cm (TSOIL) (NOAA National Centers for Environmental Prediction (NCEP)); 2025 Gazetteer ZIP Code Tabulation Areas (ZCTA) and 2024 cartographic boundary state outlines (U.S. Census Bureau).