What is the soil temperature in ZIP code 90604 today?

About 78°F on average in the top 4 inches (0–10 cm), low 72°F and high 86°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 8.1 km from the ZIP centre, not a reading from your yard.

Is it time for crabgrass preventer in 90604?

Soil here stayed above 50°F all last winter, so the 50 to 55°F soil rule gives no spring window. Time pre-emergent to your local calendar.

ZIP 90604 · La Mirada, CA · Nov 11, 2026

Soil temperature for ZIP code 90604

78°Faverage today, 0–4 in deep (modelled)
low 72°F · high 86°F

Modelled by NOAA GFS, not measured · run Nov 11, 12:00 UTC (7 am Eastern) · grid cell 8.1 km from the ZIP centre point

On a week ago

6° warmer

72°F on Nov 4

5-day mean

77°F

what the verdicts use

Held 55°F last spring

All winter

crabgrass germination temperature

What the soil says today

Pre-emergentSeason over
Cool-season seedToo late in the season
Warm-season seedWarm enough
TomatoesSoil warm enough
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	71.8°F	65.9°F	80.6°F	analysis
Nov 5	73.2°F	67.4°F	81.6°F	analysis
Nov 6	74.4°F	68.1°F	83.4°F	analysis
Nov 7	75.6°F	69.2°F	84.9°F	analysis
Nov 8	77.0°F	70.2°F	86.9°F	analysis
Nov 9	77.9°F	71.3°F	87.2°F	analysis
Nov 10	77.9°F	71.8°F	86.6°F	analysis
Today	77.6°F	71.7°F	85.8°F	analysis
Nov 12	76.4°F	71.2°F	83.3°F	forecast
Nov 13	74.3°F	70.6°F	79.4°F	forecast
Nov 14	70.5°F	67.9°F	72.4°F	forecast
Nov 15	71.4°F	66.3°F	79.1°F	forecast
Nov 16	71.5°F	67.4°F	76.2°F	forecast
Nov 17	68.3°F	67.0°F	69.6°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	never below
50°F	Pre-emergent window opens	never below
55°F	Crabgrass can germinate	never below
60°F	Tomatoes	Jan 12
65°F	Warm-season grass seed	Jan 30

Anaheim, CA, 14 km away: the full city page, with the 2026 season chart, growing degree days and nearby cities →

Nearby ZIP codes

Today's modelled average.

90639 78°F · 90603 78°F · 90605 78°F · 90638 78°F · 90670 78°F · 90602 78°F · 90631 78°F · 90621 78°F

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

Questions

What is the soil temperature in ZIP code 90604 today?: About 78°F on average in the top 4 inches (0–10 cm), low 72°F and high 86°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 8.1 km from the ZIP centre, not a reading from your yard.
Is it time for crabgrass preventer in 90604?: Soil here stayed above 50°F all last winter, so the 50 to 55°F soil rule gives no spring window. Time pre-emergent to your local calendar.

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).