What is the soil temperature in ZIP code 37366 today?

About 54°F on average in the top 4 inches (0–10 cm), low 51°F and high 57°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 12.3 km from the ZIP centre, not a reading from your yard.

Is it time for crabgrass preventer in 37366?

The spring window is closed. It opens again when the soil holds 50°F. Last spring the soil held 50°F from Mar 2 and 55°F from Apr 11.

ZIP 37366 · Manchester, TN · Nov 11, 2026

Soil temperature for ZIP code 37366

54°Faverage today, 0–4 in deep (modelled)
low 51°F · high 57°F

Modelled by NOAA GFS, not measured · run Nov 11, 12:00 UTC (7 am Eastern) · grid cell 12.3 km from the ZIP centre point

On a week ago

8° cooler

63°F on Nov 4

5-day mean

52°F

what the verdicts use

Held 55°F last spring

Apr 11

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	62.8°F	62.7°F	62.9°F	analysis
Nov 5	61.4°F	59.8°F	62.7°F	analysis
Nov 6	57.7°F	56.1°F	58.6°F	analysis
Nov 7	52.3°F	49.9°F	54.1°F	analysis
Nov 8	50.2°F	46.7°F	53.3°F	analysis
Nov 9	51.4°F	47.6°F	55.6°F	analysis
Nov 10	54.2°F	50.7°F	57.7°F	analysis
Today	54.3°F	51.3°F	56.8°F	analysis
Nov 12	53.2°F	51.0°F	56.4°F	forecast
Nov 13	45.0°F	43.8°F	48.3°F	forecast
Nov 14	41.0°F	40.3°F	41.8°F	forecast
Nov 15	41.1°F	38.4°F	44.8°F	forecast
Nov 16	44.3°F	40.8°F	48.0°F	forecast
Nov 17	45.3°F	41.7°F	48.8°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 11
50°F	Pre-emergent window opens	Mar 2
55°F	Crabgrass can germinate	Apr 11
60°F	Tomatoes	May 17
65°F	Warm-season grass seed	May 20

Tullahoma, TN, 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.

37301 54°F · 37342 54°F · 37356 54°F · 37387 54°F · 37313 54°F · 37383 54°F · 37305 54°F · 37324 54°F

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

Questions

What is the soil temperature in ZIP code 37366 today?: About 54°F on average in the top 4 inches (0–10 cm), low 51°F and high 57°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 12.3 km from the ZIP centre, not a reading from your yard.
Is it time for crabgrass preventer in 37366?: The spring window is closed. It opens again when the soil holds 50°F. Last spring the soil held 50°F from Mar 2 and 55°F from Apr 11.

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).