What is the soil temperature in ZIP code 55709 today?

About 42°F on average in the top 4 inches (0–10 cm), low 40°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 14.2 km from the ZIP centre, not a reading from your yard.

Is it time for crabgrass preventer in 55709?

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 May 28.

ZIP 55709 · Grand Rapids, MN · Nov 11, 2026

Soil temperature for ZIP code 55709

42°Faverage today, 0–4 in deep (modelled)
low 40°F · high 43°F

Modelled by NOAA GFS, not measured · run Nov 11, 12:00 UTC (7 am Eastern) · grid cell 14.2 km from the ZIP centre point

On a week ago

7° cooler

48°F on Nov 4

5-day mean

41°F

what the verdicts use

Held 55°F last spring

May 28

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	48.4°F	47.2°F	49.6°F	analysis
Nov 5	42.4°F	40.0°F	46.2°F	analysis
Nov 6	39.1°F	38.3°F	39.5°F	analysis
Nov 7	37.1°F	36.1°F	39.4°F	analysis
Nov 8	42.4°F	40.9°F	44.2°F	analysis
Nov 9	43.0°F	40.4°F	46.9°F	analysis
Nov 10	43.1°F	40.8°F	45.0°F	analysis
Today	41.8°F	40.5°F	43.1°F	analysis
Nov 12	38.2°F	37.0°F	39.2°F	forecast
Nov 13	33.1°F	31.9°F	35.5°F	forecast
Nov 14	31.8°F	31.6°F	31.9°F	forecast
Nov 15	31.8°F	31.7°F	31.8°F	forecast
Nov 16	34.5°F	31.9°F	39.6°F	forecast
Nov 17	40.9°F	39.0°F	43.5°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	May 13
50°F	Pre-emergent window opens	May 26
55°F	Crabgrass can germinate	May 28
60°F	Tomatoes	May 29
65°F	Warm-season grass seed	not reached

Hibbing, MN, 33 km away: the full city page, with the 2026 season chart, growing degree days and nearby cities →

Nearby ZIP codes

Today's modelled average.

55786 43°F · 55764 43°F · 55716 43°F · 55722 43°F · 55769 42°F · 55775 43°F · 55744 43°F · 55753 42°F

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

Questions

What is the soil temperature in ZIP code 55709 today?: About 42°F on average in the top 4 inches (0–10 cm), low 40°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 14.2 km from the ZIP centre, not a reading from your yard.
Is it time for crabgrass preventer in 55709?: 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 May 28.

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).