ZIP 40049 · Lebanon, KY · Nov 11, 2026

Soil temperature for ZIP code 40049

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 13.3 km from the ZIP centre point

On a week ago
12° cooler
66°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.

30°40°50°60°70°80°50–55°F windowNov 4Nov 6Nov 8TodayNov 14Nov 1666°54°43°
View as table
DayAverageLowHigh
Nov 465.8°F65.1°F66.7°Fanalysis
Nov 560.4°F58.8°F62.5°Fanalysis
Nov 656.2°F55.3°F58.2°Fanalysis
Nov 750.5°F48.1°F52.5°Fanalysis
Nov 848.0°F45.1°F50.7°Fanalysis
Nov 949.7°F46.7°F53.2°Fanalysis
Nov 1052.5°F49.2°F56.3°Fanalysis
Today54.1°F51.3°F56.8°Fanalysis
Nov 1253.8°F52.4°F55.7°Fforecast
Nov 1346.9°F46.1°F48.5°Fforecast
Nov 1442.9°F40.4°F44.4°Fforecast
Nov 1541.8°F38.6°F44.7°Fforecast
Nov 1642.2°F39.3°F44.9°Fforecast
Nov 1742.6°F39.5°F45.7°Fforecast
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.

SoilWhat it meansHeld from (spring 2026)
40°FPeas and lettuceFeb 28
50°FPre-emergent window opensMar 6
55°FCrabgrass can germinateApr 12
60°FTomatoesMay 18
65°FWarm-season grass seedMay 28

Elizabethtown, KY, 41 km away: the full city page, with the 2026 season chart, growing degree days and nearby cities →

Nearby ZIP codes

Today's modelled average.

40037 54°F · 40062 54°F · 40052 54°F · 40063 53°F · 40061 54°F · 40060 54°F · 40051 54°F · 40004 54°F

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

Questions

What is the soil temperature in ZIP code 40049 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 13.3 km from the ZIP centre, not a reading from your yard.
Is it time for crabgrass preventer in 40049?
The spring window is closed. It opens again when the soil holds 50°F. Last spring the soil held 50°F from Mar 6 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).