What is the soil temperature in ZIP code 93428 today?

About 65°F on average in the top 4 inches (0–10 cm), low 62°F and high 70°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 10.2 km from the ZIP centre, not a reading from your yard.

Is it time for crabgrass preventer in 93428?

The spring window is closed. It opens again when the soil holds 50°F. Last spring the soil held 50°F from Jan 14 and 55°F from Jan 31.

ZIP 93428 · Cambria, CA · Nov 11, 2026

Soil temperature for ZIP code 93428

65°Faverage today, 0–4 in deep (modelled)
low 62°F · high 70°F

Modelled by NOAA GFS, not measured · run Nov 11, 12:00 UTC (7 am Eastern) · grid cell 10.2 km from the ZIP centre point

On a week ago

6° warmer

59°F on Nov 4

5-day mean

64°F

what the verdicts use

Held 55°F last spring

Jan 31

crabgrass germination temperature

What the soil says today

Pre-emergentSeason over
Cool-season seedToo late in the season
Warm-season seedToo cold
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	59.2°F	55.9°F	64.7°F	analysis
Nov 5	60.6°F	57.9°F	65.2°F	analysis
Nov 6	60.8°F	57.7°F	65.8°F	analysis
Nov 7	62.2°F	58.8°F	67.9°F	analysis
Nov 8	63.6°F	60.2°F	69.7°F	analysis
Nov 9	65.4°F	62.2°F	70.9°F	analysis
Nov 10	65.8°F	62.9°F	70.5°F	analysis
Today	65.4°F	62.3°F	70.1°F	analysis
Nov 12	63.7°F	61.4°F	66.0°F	forecast
Nov 13	61.5°F	60.6°F	62.9°F	forecast
Nov 14	58.9°F	56.5°F	61.9°F	forecast
Nov 15	57.4°F	54.9°F	60.8°F	forecast
Nov 16	57.7°F	56.1°F	60.2°F	forecast
Nov 17	57.7°F	56.2°F	60.2°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	Jan 14
55°F	Crabgrass can germinate	Jan 31
60°F	Tomatoes	Mar 15
65°F	Warm-season grass seed	Mar 18

Paso Robles, CA, 32 km away: the full city page, with the 2026 season chart, growing degree days and nearby cities →

Nearby ZIP codes

Today's modelled average.

93430 65°F · 93452 64°F · 93465 63°F · 93426 63°F · 93442 63°F · 93446 63°F · 93422 63°F · 93402 66°F

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

Questions

What is the soil temperature in ZIP code 93428 today?: About 65°F on average in the top 4 inches (0–10 cm), low 62°F and high 70°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 10.2 km from the ZIP centre, not a reading from your yard.
Is it time for crabgrass preventer in 93428?: The spring window is closed. It opens again when the soil holds 50°F. Last spring the soil held 50°F from Jan 14 and 55°F from Jan 31.

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).