What is the soil temperature in ZIP code 89440 today?

About 48°F on average in the top 4 inches (0–10 cm), low 41°F and high 58°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 89440?

The spring window is closed. It opens again when the soil holds 50°F. Last spring the soil held 50°F from Mar 12 and 55°F from Mar 16.

ZIP 89440 · Dayton, NV · Nov 11, 2026

Soil temperature for ZIP code 89440

48°Faverage today, 0–4 in deep (modelled)
low 41°F · high 58°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

2° warmer

45°F on Nov 4

5-day mean

48°F

what the verdicts use

Held 55°F last spring

Mar 16

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.

View as table

Day	Average	Low	High
Nov 4	45.3°F	40.6°F	54.1°F	analysis
Nov 5	46.1°F	40.6°F	54.7°F	analysis
Nov 6	44.2°F	39.5°F	52.0°F	analysis
Nov 7	45.2°F	38.9°F	55.8°F	analysis
Nov 8	48.2°F	42.2°F	57.8°F	analysis
Nov 9	49.1°F	43.6°F	57.3°F	analysis
Nov 10	47.9°F	41.5°F	57.3°F	analysis
Today	47.6°F	41.1°F	57.7°F	analysis
Nov 12	47.4°F	41.7°F	56.0°F	forecast
Nov 13	45.8°F	41.7°F	50.6°F	forecast
Nov 14	42.4°F	39.5°F	46.6°F	forecast
Nov 15	42.2°F	38.4°F	49.2°F	forecast
Nov 16	43.8°F	40.4°F	49.2°F	forecast
Nov 17	43.7°F	42.4°F	45.6°F	forecast

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.

Soil	What it means	Held from (spring 2026)
40°F	Peas and lettuce	Feb 27
50°F	Pre-emergent window opens	Mar 12
55°F	Crabgrass can germinate	Mar 16
60°F	Tomatoes	May 7
65°F	Warm-season grass seed	Jun 3

Carson City, NV, 17 km away: the full city page, with the 2026 season chart, growing degree days and nearby cities →

Nearby ZIP codes

Today's modelled average.

89428 48°F · 89521 48°F · 89706 48°F · 89704 48°F · 89403 50°F · 89701 48°F · 89502 53°F · 89511 53°F

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

Questions

What is the soil temperature in ZIP code 89440 today?: About 48°F on average in the top 4 inches (0–10 cm), low 41°F and high 58°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 89440?: The spring window is closed. It opens again when the soil holds 50°F. Last spring the soil held 50°F from Mar 12 and 55°F from Mar 16.

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).