ZIP 38261 · Union City, TN · Nov 11, 2026

Soil temperature for ZIP code 38261

58°Faverage today, 0–4 in deep (modelled)
low 53°F · high 63°F

Modelled by NOAA GFS, not measured · run Nov 11, 12:00 UTC (7 am Eastern) · grid cell 12.9 km from the ZIP centre point

On a week ago
9° cooler
67°F on Nov 4
5-day mean
53°F
what the verdicts use
Held 55°F last spring
Mar 5
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 1667°58°46°
View as table
DayAverageLowHigh
Nov 466.7°F65.9°F67.8°Fanalysis
Nov 560.8°F57.5°F63.5°Fanalysis
Nov 658.1°F56.6°F60.4°Fanalysis
Nov 751.0°F47.9°F52.7°Fanalysis
Nov 849.6°F45.4°F53.8°Fanalysis
Nov 953.4°F48.7°F59.1°Fanalysis
Nov 1055.9°F52.1°F59.6°Fanalysis
Today57.5°F53.2°F62.9°Fanalysis
Nov 1257.2°F55.9°F60.6°Fforecast
Nov 1348.6°F46.2°F51.4°Fforecast
Nov 1444.3°F40.6°F47.3°Fforecast
Nov 1544.5°F40.9°F48.2°Fforecast
Nov 1645.8°F42.0°F49.3°Fforecast
Nov 1746.1°F42.2°F49.7°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 11
50°FPre-emergent window opensMar 1
55°FCrabgrass can germinateMar 5
60°FTomatoesApr 12
65°FWarm-season grass seedMay 17

Dyersburg, TN, 50 km away: the full city page, with the 2026 season chart, growing degree days and nearby cities →

Nearby ZIP codes

Today's modelled average.

38260 58°F · 42050 58°F · 38253 58°F · 38232 58°F · 38257 58°F · 38254 58°F · 42041 58°F · 38233 58°F

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

Questions

What is the soil temperature in ZIP code 38261 today?
About 58°F on average in the top 4 inches (0–10 cm), low 53°F and high 63°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 12.9 km from the ZIP centre, not a reading from your yard.
Is it time for crabgrass preventer in 38261?
The spring window is closed. It opens again when the soil holds 50°F. Last spring the soil held 50°F from Mar 1 and 55°F from Mar 5.

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).