What is the soil temperature in ZIP code 38475 today?

About 56°F on average in the top 4 inches (0–10 cm), low 54°F and high 59°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 2.5 km from the ZIP centre, not a reading from your yard.

Is it time for crabgrass preventer in 38475?

The spring window is closed. It opens again when the soil holds 50°F. Last spring the soil held 50°F from Mar 1 and 55°F from Mar 2.

ZIP 38475 · Savannah, TN · Nov 11, 2026

Soil temperature for ZIP code 38475

56°Faverage today, 0–4 in deep (modelled)
low 54°F · high 59°F

Modelled by NOAA GFS, not measured · run Nov 11, 12:00 UTC (7 am Eastern) · grid cell 2.5 km from the ZIP centre point

On a week ago

11° cooler

67°F on Nov 4

5-day mean

53°F

what the verdicts use

Held 55°F last spring

Mar 2

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	66.7°F	66.4°F	66.9°F	analysis
Nov 5	61.5°F	59.3°F	62.7°F	analysis
Nov 6	59.3°F	58.0°F	60.5°F	analysis
Nov 7	53.1°F	51.5°F	55.9°F	analysis
Nov 8	50.3°F	47.6°F	52.9°F	analysis
Nov 9	51.7°F	47.9°F	56.2°F	analysis
Nov 10	55.2°F	51.9°F	58.7°F	analysis
Today	56.1°F	53.5°F	58.7°F	analysis
Nov 12	56.0°F	55.0°F	58.0°F	forecast
Nov 13	49.2°F	47.8°F	52.5°F	forecast
Nov 14	44.2°F	41.5°F	46.3°F	forecast
Nov 15	44.0°F	41.4°F	46.7°F	forecast
Nov 16	46.5°F	43.8°F	49.7°F	forecast
Nov 17	47.1°F	44.2°F	50.0°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	Feb 10
50°F	Pre-emergent window opens	Mar 1
55°F	Crabgrass can germinate	Mar 2
60°F	Tomatoes	Apr 12
65°F	Warm-season grass seed	May 18

Florence, AL, 60 km away: the full city page, with the 2026 season chart, growing degree days and nearby cities →

Nearby ZIP codes

Today's modelled average.

38425 56°F · 38372 57°F · 38311 56°F · 38471 57°F · 38485 56°F · 38370 56°F · 38327 57°F · 38361 57°F

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

Questions

What is the soil temperature in ZIP code 38475 today?: About 56°F on average in the top 4 inches (0–10 cm), low 54°F and high 59°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 2.5 km from the ZIP centre, not a reading from your yard.
Is it time for crabgrass preventer in 38475?: The spring window is closed. It opens again when the soil holds 50°F. Last spring the soil held 50°F from Mar 1 and 55°F from Mar 2.

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).