What is the soil temperature in ZIP code 48740 today?

About 46°F on average in the top 4 inches (0–10 cm), low 43°F and high 48°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 13.9 km from the ZIP centre, not a reading from your yard.

Is it time for crabgrass preventer in 48740?

The spring window is closed. It opens again when the soil holds 50°F. Last spring the soil held 50°F from May 26 and 55°F from Jun 3.

ZIP 48740 · Michigan · Nov 11, 2026

Soil temperature for ZIP code 48740

46°Faverage today, 0–4 in deep (modelled)
low 43°F · high 48°F

Modelled by NOAA GFS, not measured · run Nov 11, 12:00 UTC (7 am Eastern) · grid cell 13.9 km from the ZIP centre point

On a week ago

16° cooler

62°F on Nov 4

5-day mean

46°F

what the verdicts use

Held 55°F last spring

Jun 3

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	62.5°F	61.1°F	63.4°F	analysis
Nov 5	56.3°F	53.5°F	60.0°F	analysis
Nov 6	44.7°F	41.7°F	48.8°F	analysis
Nov 7	43.2°F	41.3°F	45.5°F	analysis
Nov 8	44.2°F	40.6°F	48.2°F	analysis
Nov 9	46.7°F	45.2°F	47.7°F	analysis
Nov 10	48.4°F	45.6°F	51.1°F	analysis
Today	46.0°F	43.4°F	47.5°F	analysis
Nov 12	42.8°F	39.7°F	46.0°F	forecast
Nov 13	36.9°F	36.2°F	37.3°F	forecast
Nov 14	36.4°F	36.3°F	36.4°F	forecast
Nov 15	37.9°F	36.8°F	39.5°F	forecast
Nov 16	40.8°F	39.3°F	42.3°F	forecast
Nov 17	39.9°F	36.1°F	43.4°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	Apr 13
50°F	Pre-emergent window opens	May 26
55°F	Crabgrass can germinate	Jun 3
60°F	Tomatoes	Jun 6
65°F	Warm-season grass seed	not reached

Nearby ZIP codes

Today's modelled average.

48742 46°F · 48738 47°F · 48745 47°F · 48721 46°F · 48762 46°F · 48705 46°F · 48750 47°F · 49766 46°F

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

Questions

What is the soil temperature in ZIP code 48740 today?: About 46°F on average in the top 4 inches (0–10 cm), low 43°F and high 48°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 13.9 km from the ZIP centre, not a reading from your yard.
Is it time for crabgrass preventer in 48740?: The spring window is closed. It opens again when the soil holds 50°F. Last spring the soil held 50°F from May 26 and 55°F from Jun 3.

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).