What is the soil temperature in ZIP code 40977 today?

About 53°F on average in the top 4 inches (0–10 cm), low 50°F and high 56°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 3.4 km from the ZIP centre, not a reading from your yard.

Is it time for crabgrass preventer in 40977?

The spring window is closed. It opens again when the soil holds 50°F. Last spring the soil held 50°F from Mar 5 and 55°F from Apr 12.

ZIP 40977 · Middlesboro, KY · Nov 11, 2026

Soil temperature for ZIP code 40977

53°Faverage today, 0–4 in deep (modelled)
low 50°F · high 56°F

Modelled by NOAA GFS, not measured · run Nov 11, 12:00 UTC (7 am Eastern) · grid cell 3.4 km from the ZIP centre point

On a week ago

8° cooler

61°F on Nov 4

5-day mean

51°F

what the verdicts use

Held 55°F last spring

Apr 12

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	60.9°F	59.5°F	62.3°F	analysis
Nov 5	62.1°F	61.5°F	62.5°F	analysis
Nov 6	57.6°F	55.7°F	58.9°F	analysis
Nov 7	52.2°F	50.3°F	55.2°F	analysis
Nov 8	48.9°F	45.4°F	51.6°F	analysis
Nov 9	49.5°F	46.1°F	52.9°F	analysis
Nov 10	51.7°F	47.6°F	55.8°F	analysis
Today	53.4°F	50.1°F	56.2°F	analysis
Nov 12	51.5°F	49.0°F	53.7°F	forecast
Nov 13	43.3°F	41.7°F	46.3°F	forecast
Nov 14	40.2°F	39.2°F	41.8°F	forecast
Nov 15	40.4°F	37.8°F	43.3°F	forecast
Nov 16	42.0°F	38.1°F	45.6°F	forecast
Nov 17	42.7°F	38.8°F	46.2°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 15
50°F	Pre-emergent window opens	Mar 5
55°F	Crabgrass can germinate	Apr 12
60°F	Tomatoes	May 19
65°F	Warm-season grass seed	Jun 7

Morristown, TN, 69 km away: the full city page, with the 2026 season chart, growing degree days and nearby cities →

Nearby ZIP codes

Today's modelled average.

40995 53°F · 40939 53°F · 40903 53°F · 40965 52°F · 40813 52°F · 40958 52°F · 40921 54°F · 40763 54°F

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

Questions

What is the soil temperature in ZIP code 40977 today?: About 53°F on average in the top 4 inches (0–10 cm), low 50°F and high 56°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 3.4 km from the ZIP centre, not a reading from your yard.
Is it time for crabgrass preventer in 40977?: The spring window is closed. It opens again when the soil holds 50°F. Last spring the soil held 50°F from Mar 5 and 55°F from Apr 12.

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).