What is the soil temperature in ZIP code 42003 today?

About 57°F on average in the top 4 inches (0–10 cm), low 53°F and high 62°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 6.9 km from the ZIP centre, not a reading from your yard.

Is it time for crabgrass preventer in 42003?

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 Mar 23.

ZIP 42003 · Paducah, KY · Nov 11, 2026

Soil temperature for ZIP code 42003

57°Faverage today, 0–4 in deep (modelled)
low 53°F · high 62°F

Modelled by NOAA GFS, not measured · run Nov 11, 12:00 UTC (7 am Eastern) · grid cell 6.9 km from the ZIP centre point

On a week ago

10° cooler

67°F on Nov 4

5-day mean

53°F

what the verdicts use

Held 55°F last spring

Mar 23

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	65.8°F	67.9°F	analysis
Nov 5	60.3°F	57.5°F	62.4°F	analysis
Nov 6	57.2°F	55.7°F	59.1°F	analysis
Nov 7	50.5°F	47.4°F	52.3°F	analysis
Nov 8	49.2°F	45.4°F	53.2°F	analysis
Nov 9	53.1°F	48.7°F	58.6°F	analysis
Nov 10	56.0°F	52.8°F	59.2°F	analysis
Today	57.0°F	53.0°F	62.1°F	analysis
Nov 12	56.7°F	55.5°F	59.8°F	forecast
Nov 13	47.9°F	45.6°F	50.8°F	forecast
Nov 14	43.6°F	40.2°F	46.4°F	forecast
Nov 15	43.8°F	40.2°F	47.6°F	forecast
Nov 16	44.9°F	41.5°F	48.3°F	forecast
Nov 17	45.2°F	41.5°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	Jan 6
50°F	Pre-emergent window opens	Mar 2
55°F	Crabgrass can germinate	Mar 23
60°F	Tomatoes	Apr 12
65°F	Warm-season grass seed	May 27

Paducah, KY, 9 km away: the full city page, with the 2026 season chart, growing degree days and nearby cities →

Nearby ZIP codes

Today's modelled average.

42027 57°F · 42058 57°F · 42001 57°F · 42082 57°F · 62910 57°F · 42051 57°F · 42029 57°F · 42069 57°F

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

Questions

What is the soil temperature in ZIP code 42003 today?: About 57°F on average in the top 4 inches (0–10 cm), low 53°F and high 62°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 6.9 km from the ZIP centre, not a reading from your yard.
Is it time for crabgrass preventer in 42003?: 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 Mar 23.

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).