ZIP 81419 · Delta, CO · Nov 11, 2026

Soil temperature for ZIP code 81419

40°Faverage today, 0–4 in deep (modelled)
low 37°F · high 43°F

Modelled by NOAA GFS, not measured · run Nov 11, 12:00 UTC (7 am Eastern) · grid cell 13 km from the ZIP centre point

On a week ago
2° warmer
37°F on Nov 4
5-day mean
39°F
what the verdicts use
Held 55°F last spring
Jun 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 lettuceToo cold

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°50–55°F windowNov 4Nov 6Nov 8TodayNov 14Nov 1637°40°36°
View as table
DayAverageLowHigh
Nov 437.2°F36.2°F38.4°Fanalysis
Nov 537.4°F36.1°F39.6°Fanalysis
Nov 638.2°F36.4°F41.1°Fanalysis
Nov 738.6°F37.0°F41.1°Fanalysis
Nov 838.3°F36.4°F41.2°Fanalysis
Nov 939.0°F36.2°F43.2°Fanalysis
Nov 1040.0°F37.7°F42.7°Fanalysis
Today39.5°F37.3°F42.7°Fanalysis
Nov 1239.9°F37.2°F43.9°Fforecast
Nov 1339.2°F37.3°F41.2°Fforecast
Nov 1437.4°F36.2°F38.4°Fforecast
Nov 1536.8°F36.1°F38.1°Fforecast
Nov 1636.0°F34.8°F37.8°Fforecast
Nov 1736.3°F34.8°F39.2°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 lettuceMar 21
50°FPre-emergent window opensMay 28
55°FCrabgrass can germinateJun 5
60°FTomatoesJun 17
65°FWarm-season grass seednot reached

Montrose, CO, 46 km away: the full city page, with the 2026 season chart, growing degree days and nearby cities →

Nearby ZIP codes

Today's modelled average.

81428 41°F · 81413 41°F · 81410 48°F · 81418 41°F · 81434 41°F · 81415 47°F · 81624 40°F · 81646 41°F

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

Questions

What is the soil temperature in ZIP code 81419 today?
About 40°F on average in the top 4 inches (0–10 cm), low 37°F and high 43°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 km from the ZIP centre, not a reading from your yard.
Is it time for crabgrass preventer in 81419?
The spring window is closed. It opens again when the soil holds 50°F. Last spring the soil held 50°F from May 28 and 55°F from Jun 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).