What is the soil temperature in ZIP code 40504 today?

About 53°F on average in the top 4 inches (0–10 cm), low 50°F and high 54°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 6.1 km from the ZIP centre, not a reading from your yard.

Is it time for crabgrass preventer in 40504?

The spring window is closed. It opens again when the soil holds 50°F. Last spring the soil held 50°F from Mar 23 and 55°F from Apr 13.

ZIP 40504 · Lexington-Fayette, KY · Nov 11, 2026

Soil temperature for ZIP code 40504

53°Faverage today, 0–4 in deep (modelled)
low 50°F · high 54°F

Modelled by NOAA GFS, not measured · run Nov 11, 12:00 UTC (7 am Eastern) · grid cell 6.1 km from the ZIP centre point

On a week ago

10° cooler

63°F on Nov 4

5-day mean

50°F

what the verdicts use

Held 55°F last spring

Apr 13

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	62.4°F	63.4°F	analysis
Nov 5	59.9°F	58.6°F	61.8°F	analysis
Nov 6	55.8°F	54.8°F	57.7°F	analysis
Nov 7	50.1°F	48.3°F	52.1°F	analysis
Nov 8	46.8°F	44.2°F	49.1°F	analysis
Nov 9	48.1°F	45.4°F	51.1°F	analysis
Nov 10	50.5°F	47.6°F	54.0°F	analysis
Today	52.6°F	50.4°F	54.5°F	analysis
Nov 12	52.5°F	51.2°F	53.7°F	forecast
Nov 13	46.2°F	45.5°F	47.6°F	forecast
Nov 14	41.3°F	39.2°F	42.6°F	forecast
Nov 15	40.6°F	37.5°F	43.1°F	forecast
Nov 16	41.0°F	38.4°F	43.3°F	forecast
Nov 17	41.5°F	38.8°F	44.2°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	Mar 1
50°F	Pre-emergent window opens	Mar 23
55°F	Crabgrass can germinate	Apr 13
60°F	Tomatoes	May 19
65°F	Warm-season grass seed	Jun 8

Lexington, KY, 8 km away: the full city page, with the 2026 season chart, growing degree days and nearby cities →

Nearby ZIP codes

Today's modelled average.

40536 53°F · 40508 53°F · 40526 53°F · 40503 53°F · 40507 53°F · 40510 53°F · 40513 53°F · 40502 53°F

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

Questions

What is the soil temperature in ZIP code 40504 today?: About 53°F on average in the top 4 inches (0–10 cm), low 50°F and high 54°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 6.1 km from the ZIP centre, not a reading from your yard.
Is it time for crabgrass preventer in 40504?: The spring window is closed. It opens again when the soil holds 50°F. Last spring the soil held 50°F from Mar 23 and 55°F from Apr 13.

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).