What is the soil temperature in ZIP code 54874 today?

About 44°F on average in the top 4 inches (0–10 cm), low 44°F and high 45°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 9.3 km from the ZIP centre, not a reading from your yard.

Is it time for crabgrass preventer in 54874?

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 54874 · Superior, WI · Nov 11, 2026

Soil temperature for ZIP code 54874

44°Faverage today, 0–4 in deep (modelled)
low 44°F · high 45°F

Modelled by NOAA GFS, not measured · run Nov 11, 12:00 UTC (7 am Eastern) · grid cell 9.3 km from the ZIP centre point

On a week ago

8° cooler

52°F on Nov 4

5-day mean

43°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	52.2°F	51.6°F	53.2°F	analysis
Nov 5	45.9°F	42.3°F	49.8°F	analysis
Nov 6	38.9°F	38.0°F	39.3°F	analysis
Nov 7	38.0°F	36.4°F	41.2°F	analysis
Nov 8	43.6°F	42.2°F	45.5°F	analysis
Nov 9	43.1°F	40.7°F	46.3°F	analysis
Nov 10	43.9°F	41.7°F	45.9°F	analysis
Today	44.4°F	43.6°F	45.1°F	analysis
Nov 12	38.8°F	37.8°F	40.4°F	forecast
Nov 13	35.5°F	34.5°F	37.3°F	forecast
Nov 14	32.7°F	32.1°F	34.1°F	forecast
Nov 15	33.7°F	32.1°F	36.5°F	forecast
Nov 16	36.3°F	34.7°F	39.4°F	forecast
Nov 17	40.0°F	37.9°F	42.8°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	May 11
50°F	Pre-emergent window opens	May 26
55°F	Crabgrass can germinate	May 28
60°F	Tomatoes	not reached
65°F	Warm-season grass seed	not reached

Duluth, MN, 27 km away: the full city page, with the 2026 season chart, growing degree days and nearby cities →

Nearby ZIP codes

Today's modelled average.

54842 44°F · 54864 44°F · 54880 44°F · 54849 44°F · 54854 44°F · 54836 44°F · 55802 45°F · 55807 44°F

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

Questions

What is the soil temperature in ZIP code 54874 today?: About 44°F on average in the top 4 inches (0–10 cm), low 44°F and high 45°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 9.3 km from the ZIP centre, not a reading from your yard.
Is it time for crabgrass preventer in 54874?: 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).