What is the soil temperature in ZIP code 70128 today?

About 71°F on average in the top 4 inches (0–10 cm), low 69°F and high 74°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 6.8 km from the ZIP centre, not a reading from your yard.

Is it time for crabgrass preventer in 70128?

The spring window is closed. It opens again when the soil holds 50°F. Last spring the soil held 50°F from Feb 6 and 55°F from Feb 7.

ZIP 70128 · Chalmette, LA · Nov 11, 2026

Soil temperature for ZIP code 70128

71°Faverage today, 0–4 in deep (modelled)
low 69°F · high 74°F

Modelled by NOAA GFS, not measured · run Nov 11, 12:00 UTC (7 am Eastern) · grid cell 6.8 km from the ZIP centre point

On a week ago

5° cooler

77°F on Nov 4

5-day mean

69°F

what the verdicts use

Held 55°F last spring

Feb 7

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	76.7°F	73.2°F	79.6°F	analysis
Nov 5	75.1°F	70.3°F	78.2°F	analysis
Nov 6	73.3°F	69.8°F	76.1°F	analysis
Nov 7	70.1°F	67.0°F	72.4°F	analysis
Nov 8	66.6°F	62.7°F	68.8°F	analysis
Nov 9	67.9°F	63.1°F	72.5°F	analysis
Nov 10	70.6°F	65.2°F	75.8°F	analysis
Today	71.3°F	68.6°F	74.4°F	analysis
Nov 12	71.3°F	69.0°F	72.8°F	forecast
Nov 13	67.4°F	63.2°F	70.1°F	forecast
Nov 14	62.3°F	58.9°F	64.4°F	forecast
Nov 15	60.1°F	57.8°F	63.0°F	forecast
Nov 16	60.5°F	58.6°F	62.0°F	forecast
Nov 17	61.1°F	57.0°F	65.0°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 6
55°F	Crabgrass can germinate	Feb 7
60°F	Tomatoes	Feb 10
65°F	Warm-season grass seed	Feb 13

New Orleans, LA, 16 km away: the full city page, with the 2026 season chart, growing degree days and nearby cities →

Nearby ZIP codes

Today's modelled average.

70127 71°F · 70126 71°F · 70043 71°F · 70032 71°F · 70148 71°F · 70117 71°F · 70122 71°F · 70075 71°F

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

Questions

What is the soil temperature in ZIP code 70128 today?: About 71°F on average in the top 4 inches (0–10 cm), low 69°F and high 74°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 6.8 km from the ZIP centre, not a reading from your yard.
Is it time for crabgrass preventer in 70128?: The spring window is closed. It opens again when the soil holds 50°F. Last spring the soil held 50°F from Feb 6 and 55°F from Feb 7.

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).