What is the soil temperature in ZIP code 49743 today?

About 45°F on average in the top 4 inches (0–10 cm), low 42°F and high 47°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 8.6 km from the ZIP centre, not a reading from your yard.

Is it time for crabgrass preventer in 49743?

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 4.

ZIP 49743 · Michigan · Nov 11, 2026

Soil temperature for ZIP code 49743

45°Faverage today, 0–4 in deep (modelled)
low 42°F · high 47°F

Modelled by NOAA GFS, not measured · run Nov 11, 12:00 UTC (7 am Eastern) · grid cell 8.6 km from the ZIP centre point

On a week ago

18° cooler

63°F on Nov 4

5-day mean

45°F

what the verdicts use

Held 55°F last spring

Jun 4

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	62.6°F	60.9°F	63.4°F	analysis
Nov 5	54.3°F	49.7°F	58.9°F	analysis
Nov 6	42.4°F	40.7°F	45.2°F	analysis
Nov 7	42.7°F	40.6°F	44.6°F	analysis
Nov 8	43.5°F	40.0°F	46.9°F	analysis
Nov 9	46.1°F	44.3°F	47.2°F	analysis
Nov 10	47.9°F	45.4°F	50.5°F	analysis
Today	44.9°F	41.8°F	46.8°F	analysis
Nov 12	41.0°F	38.3°F	44.5°F	forecast
Nov 13	36.7°F	35.7°F	37.3°F	forecast
Nov 14	37.0°F	35.5°F	38.6°F	forecast
Nov 15	38.6°F	37.3°F	40.0°F	forecast
Nov 16	41.2°F	39.3°F	43.3°F	forecast
Nov 17	39.8°F	35.2°F	43.8°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	Apr 13
50°F	Pre-emergent window opens	May 26
55°F	Crabgrass can germinate	Jun 4
60°F	Tomatoes	not reached
65°F	Warm-season grass seed	not reached

Nearby ZIP codes

Today's modelled average.

49779 45°F · 49776 44°F · 49759 45°F · 49746 45°F · 49753 45°F · 49765 45°F · 49777 45°F · 49709 45°F

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

Questions

What is the soil temperature in ZIP code 49743 today?: About 45°F on average in the top 4 inches (0–10 cm), low 42°F and high 47°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 8.6 km from the ZIP centre, not a reading from your yard.
Is it time for crabgrass preventer in 49743?: 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 4.

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).