What is the soil temperature in ZIP code 33438 today?

About 79°F on average in the top 4 inches (0–10 cm), low 75°F and high 82°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 3.5 km from the ZIP centre, not a reading from your yard.

Is it time for crabgrass preventer in 33438?

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 33438 · Indiantown, FL · Nov 11, 2026

Soil temperature for ZIP code 33438

79°Faverage today, 0–4 in deep (modelled)
low 75°F · high 82°F

Modelled by NOAA GFS, not measured · run Nov 11, 12:00 UTC (7 am Eastern) · grid cell 3.5 km from the ZIP centre point

On a week ago

1° warmer

78°F on Nov 4

5-day mean

78°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	78.0°F	76.2°F	80.0°F	analysis
Nov 5	78.6°F	74.2°F	81.8°F	analysis
Nov 6	79.5°F	74.9°F	82.7°F	analysis
Nov 7	79.1°F	74.9°F	82.0°F	analysis
Nov 8	77.5°F	73.1°F	80.0°F	analysis
Nov 9	77.5°F	72.4°F	81.2°F	analysis
Nov 10	78.5°F	73.9°F	82.2°F	analysis
Today	78.8°F	75.3°F	81.6°F	analysis
Nov 12	76.4°F	74.2°F	77.7°F	forecast
Nov 13	73.7°F	72.9°F	74.8°F	forecast
Nov 14	66.1°F	63.2°F	67.6°F	forecast
Nov 15	65.3°F	60.0°F	70.1°F	forecast
Nov 16	69.2°F	68.7°F	69.9°F	forecast
Nov 17	70.5°F	69.8°F	71.4°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	never below
55°F	Crabgrass can germinate	Feb 6
60°F	Tomatoes	Feb 8
65°F	Warm-season grass seed	Jan 6

Belle Glade, FL, 35 km away: the full city page, with the 2026 season chart, growing degree days and nearby cities →

Nearby ZIP codes

Today's modelled average.

34956 79°F · 33476 77°F · 34990 78°F · 33470 77°F · 34997 78°F · 33478 78°F · 34953 78°F · 34987 78°F

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

Questions

What is the soil temperature in ZIP code 33438 today?: About 79°F on average in the top 4 inches (0–10 cm), low 75°F and high 82°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 3.5 km from the ZIP centre, not a reading from your yard.
Is it time for crabgrass preventer in 33438?: 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).