What is the soil temperature in ZIP code 83228 today?

About 44°F on average in the top 4 inches (0–10 cm), low 40°F and high 50°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 5.3 km from the ZIP centre, not a reading from your yard.

Is it time for crabgrass preventer in 83228?

The spring window is closed. It opens again when the soil holds 50°F. Last spring the soil held 50°F from Mar 21 and 55°F from Jun 14.

ZIP 83228 · Preston, ID · Nov 11, 2026

Soil temperature for ZIP code 83228

44°Faverage today, 0–4 in deep (modelled)
low 40°F · high 50°F

Modelled by NOAA GFS, not measured · run Nov 11, 12:00 UTC (7 am Eastern) · grid cell 5.3 km from the ZIP centre point

On a week ago

2° warmer

42°F on Nov 4

5-day mean

43°F

what the verdicts use

Held 55°F last spring

Jun 14

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	41.6°F	39.5°F	45.3°F	analysis
Nov 5	40.7°F	37.3°F	44.9°F	analysis
Nov 6	41.2°F	37.5°F	46.3°F	analysis
Nov 7	41.3°F	37.2°F	47.2°F	analysis
Nov 8	41.8°F	38.2°F	47.1°F	analysis
Nov 9	42.5°F	38.4°F	48.4°F	analysis
Nov 10	43.4°F	39.5°F	49.0°F	analysis
Today	43.6°F	39.5°F	49.7°F	analysis
Nov 12	43.5°F	39.3°F	49.2°F	forecast
Nov 13	43.4°F	40.4°F	47.2°F	forecast
Nov 14	42.3°F	41.5°F	43.7°F	forecast
Nov 15	38.5°F	36.5°F	40.5°F	forecast
Nov 16	38.6°F	35.9°F	42.9°F	forecast
Nov 17	39.4°F	35.9°F	44.8°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	Mar 14
50°F	Pre-emergent window opens	Mar 21
55°F	Crabgrass can germinate	Jun 14
60°F	Tomatoes	Jun 17
65°F	Warm-season grass seed	not reached

Logan, UT, 58 km away: the full city page, with the 2026 season chart, growing degree days and nearby cities →

Nearby ZIP codes

Today's modelled average.

83281 44°F · 83232 44°F · 83286 45°F · 83234 43°F · 83263 43°F · 83252 43°F · 84308 45°F · 84305 45°F

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

Questions

What is the soil temperature in ZIP code 83228 today?: About 44°F on average in the top 4 inches (0–10 cm), low 40°F and high 50°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 5.3 km from the ZIP centre, not a reading from your yard.
Is it time for crabgrass preventer in 83228?: The spring window is closed. It opens again when the soil holds 50°F. Last spring the soil held 50°F from Mar 21 and 55°F from Jun 14.

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).