What is the soil temperature in ZIP code 83227 today?

About 41°F on average in the top 4 inches (0–10 cm), low 37°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 10.2 km from the ZIP centre, not a reading from your yard.

Is it time for crabgrass preventer in 83227?

The spring window is closed. It opens again when the soil holds 50°F. Last spring the soil held 50°F from May 5 and 55°F from Jun 16.

ZIP 83227 · Idaho · Nov 11, 2026

Soil temperature for ZIP code 83227

41°Faverage today, 0–4 in deep (modelled)
low 37°F · high 48°F

Modelled by NOAA GFS, not measured · run Nov 11, 12:00 UTC (7 am Eastern) · grid cell 10.2 km from the ZIP centre point

On a week ago

7° warmer

34°F on Nov 4

5-day mean

40°F

what the verdicts use

Held 55°F last spring

Jun 16

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 lettuceToo cold

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	34.1°F	32.7°F	38.2°F	analysis
Nov 5	37.2°F	34.3°F	40.8°F	analysis
Nov 6	36.3°F	33.0°F	39.6°F	analysis
Nov 7	38.7°F	34.4°F	46.5°F	analysis
Nov 8	39.9°F	36.6°F	44.2°F	analysis
Nov 9	39.1°F	35.7°F	43.8°F	analysis
Nov 10	39.7°F	37.2°F	44.1°F	analysis
Today	40.9°F	36.6°F	48.0°F	analysis
Nov 12	40.8°F	37.2°F	45.4°F	forecast
Nov 13	38.3°F	35.7°F	41.5°F	forecast
Nov 14	36.9°F	36.1°F	37.8°F	forecast
Nov 15	33.1°F	30.9°F	35.4°F	forecast
Nov 16	32.6°F	31.3°F	33.9°F	forecast
Nov 17	33.5°F	32.7°F	35.4°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 30
50°F	Pre-emergent window opens	May 5
55°F	Crabgrass can germinate	Jun 16
60°F	Tomatoes	not reached
65°F	Warm-season grass seed	not reached

Nearby ZIP codes

Today's modelled average.

83278 40°F · 83226 39°F · 83340 40°F · 83251 40°F · 83353 37°F · 83354 37°F · 83235 43°F · 83333 43°F

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

Questions

What is the soil temperature in ZIP code 83227 today?: About 41°F on average in the top 4 inches (0–10 cm), low 37°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 10.2 km from the ZIP centre, not a reading from your yard.
Is it time for crabgrass preventer in 83227?: The spring window is closed. It opens again when the soil holds 50°F. Last spring the soil held 50°F from May 5 and 55°F from Jun 16.

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).