What is the soil temperature in ZIP code 78632 today?

About 66°F on average in the top 4 inches (0–10 cm), low 64°F and high 71°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 7.7 km from the ZIP centre, not a reading from your yard.

Is it time for crabgrass preventer in 78632?

The spring window is closed. It opens again when the soil holds 50°F. Last spring the soil held 50°F from Feb 4 and 55°F from Feb 6.

ZIP 78632 · Luling, TX · Nov 11, 2026

Soil temperature for ZIP code 78632

66°Faverage today, 0–4 in deep (modelled)
low 64°F · high 71°F

Modelled by NOAA GFS, not measured · run Nov 11, 12:00 UTC (7 am Eastern) · grid cell 7.7 km from the ZIP centre point

On a week ago

4° cooler

70°F on Nov 4

5-day mean

66°F

what the verdicts use

Held 55°F last spring

Feb 6

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	70.5°F	66.7°F	73.9°F	analysis
Nov 5	70.3°F	65.6°F	75.8°F	analysis
Nov 6	70.2°F	68.7°F	71.7°F	analysis
Nov 7	67.8°F	65.6°F	70.3°F	analysis
Nov 8	67.0°F	65.5°F	69.2°F	analysis
Nov 9	63.6°F	62.7°F	64.8°F	analysis
Nov 10	64.1°F	62.5°F	65.9°F	analysis
Today	66.4°F	64.1°F	70.7°F	analysis
Nov 12	67.2°F	64.0°F	70.8°F	forecast
Nov 13	65.9°F	61.3°F	70.5°F	forecast
Nov 14	64.5°F	62.2°F	66.3°F	forecast
Nov 15	63.1°F	60.9°F	64.8°F	forecast
Nov 16	60.3°F	58.9°F	62.2°F	forecast
Nov 17	58.1°F	54.4°F	62.4°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	Feb 4
55°F	Crabgrass can germinate	Feb 6
60°F	Tomatoes	Feb 10
65°F	Warm-season grass seed	Feb 13

San Marcos, TX, 50 km away: the full city page, with the 2026 season chart, growing degree days and nearby cities →

Nearby ZIP codes

Today's modelled average.

78648 66°F · 78959 66°F · 78658 66°F · 78953 66°F · 78629 66°F · 78616 66°F · 78661 66°F · 78644 66°F

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

Questions

What is the soil temperature in ZIP code 78632 today?: About 66°F on average in the top 4 inches (0–10 cm), low 64°F and high 71°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 7.7 km from the ZIP centre, not a reading from your yard.
Is it time for crabgrass preventer in 78632?: The spring window is closed. It opens again when the soil holds 50°F. Last spring the soil held 50°F from Feb 4 and 55°F from Feb 6.

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).