ZIP 49784 · Sault Ste. Marie, MI · Nov 11, 2026

Soil temperature for ZIP code 49784

42°Faverage today, 0–4 in deep (modelled)
low 41°F · high 43°F

Modelled by NOAA GFS, not measured · run Nov 11, 12:00 UTC (7 am Eastern) · grid cell 3.6 km from the ZIP centre point

On a week ago
16° cooler
58°F on Nov 4
5-day mean
42°F
what the verdicts use
Held 55°F last spring
Jun 6
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°50–55°F windowNov 4Nov 6Nov 8TodayNov 14Nov 1658°42°38°
View as table
DayAverageLowHigh
Nov 458.3°F57.5°F59.2°Fanalysis
Nov 553.2°F49.0°F56.6°Fanalysis
Nov 642.1°F40.5°F44.7°Fanalysis
Nov 739.2°F37.7°F41.1°Fanalysis
Nov 841.6°F38.6°F44.2°Fanalysis
Nov 944.4°F43.2°F45.2°Fanalysis
Nov 1044.8°F43.1°F46.3°Fanalysis
Today42.4°F40.6°F43.1°Fanalysis
Nov 1239.4°F37.8°F42.2°Fforecast
Nov 1335.9°F35.4°F36.8°Fforecast
Nov 1434.7°F34.6°F34.8°Fforecast
Nov 1535.3°F34.6°F36.4°Fforecast
Nov 1636.3°F35.2°F37.8°Fforecast
Nov 1738.5°F35.0°F42.5°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 lettuceMay 16
50°FPre-emergent window opensMay 28
55°FCrabgrass can germinateJun 6
60°FTomatoesnot reached
65°FWarm-season grass seednot reached

Nearby ZIP codes

Today's modelled average.

49788 42°F · 49752 42°F · 49724 42°F · 49774 43°F · 49780 43°F · 49710 43°F · 49783 43°F · 49715 43°F

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

Questions

What is the soil temperature in ZIP code 49784 today?
About 42°F on average in the top 4 inches (0–10 cm), low 41°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 3.6 km from the ZIP centre, not a reading from your yard.
Is it time for crabgrass preventer in 49784?
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 6.

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).