What is the soil temperature in ZIP code 96037 today?

About 49°F on average in the top 4 inches (0–10 cm), low 47°F and high 53°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 8.3 km from the ZIP centre, not a reading from your yard.

Is it time for crabgrass preventer in 96037?

The spring window is closed. It opens again when the soil holds 50°F. Last spring the soil held 50°F from May 3 and 55°F from Jun 13.

ZIP 96037 · Yreka, CA · Nov 11, 2026

Soil temperature for ZIP code 96037

49°Faverage today, 0–4 in deep (modelled)
low 47°F · high 53°F

Modelled by NOAA GFS, not measured · run Nov 11, 12:00 UTC (7 am Eastern) · grid cell 8.3 km from the ZIP centre point

On a week ago

8° warmer

41°F on Nov 4

5-day mean

47°F

what the verdicts use

Held 55°F last spring

Jun 13

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	40.8°F	38.8°F	43.6°F	analysis
Nov 5	41.8°F	39.7°F	44.7°F	analysis
Nov 6	44.1°F	41.5°F	49.1°F	analysis
Nov 7	47.0°F	44.3°F	51.5°F	analysis
Nov 8	48.0°F	46.7°F	49.5°F	analysis
Nov 9	46.0°F	45.2°F	47.4°F	analysis
Nov 10	46.8°F	45.1°F	50.8°F	analysis
Today	48.9°F	47.0°F	52.6°F	analysis
Nov 12	48.1°F	45.8°F	50.1°F	forecast
Nov 13	44.5°F	42.6°F	47.4°F	forecast
Nov 14	41.3°F	41.0°F	41.8°F	forecast
Nov 15	40.3°F	40.1°F	40.6°F	forecast
Nov 16	39.6°F	39.1°F	40.2°F	forecast
Nov 17	38.5°F	37.8°F	39.1°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 1
50°F	Pre-emergent window opens	May 3
55°F	Crabgrass can germinate	Jun 13
60°F	Tomatoes	Jun 15
65°F	Warm-season grass seed	not reached

Nearby ZIP codes

Today's modelled average.

96032 49°F · 96014 51°F · 96085 50°F · 96034 50°F · 96027 49°F · 96038 50°F · 96097 49°F · 96050 50°F

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

Questions

What is the soil temperature in ZIP code 96037 today?: About 49°F on average in the top 4 inches (0–10 cm), low 47°F and high 53°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 8.3 km from the ZIP centre, not a reading from your yard.
Is it time for crabgrass preventer in 96037?: The spring window is closed. It opens again when the soil holds 50°F. Last spring the soil held 50°F from May 3 and 55°F from Jun 13.

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).