What is the soil temperature in ZIP code 83839 today?

About 45°F on average in the top 4 inches (0–10 cm), low 44°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 14.6 km from the ZIP centre, not a reading from your yard.

Is it time for crabgrass preventer in 83839?

The spring window is closed. It opens again when the soil holds 50°F. Last spring the soil held 50°F from May 4 and 55°F from Jun 17.

ZIP 83839 · Idaho · Nov 11, 2026

Soil temperature for ZIP code 83839

45°Faverage today, 0–4 in deep (modelled)
low 44°F · high 48°F

Modelled by NOAA GFS, not measured · run Nov 11, 12:00 UTC (7 am Eastern) · grid cell 14.6 km from the ZIP centre point

On a week ago

6° warmer

40°F on Nov 4

5-day mean

43°F

what the verdicts use

Held 55°F last spring

Jun 17

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	39.5°F	37.7°F	42.4°F	analysis
Nov 5	38.0°F	37.2°F	39.7°F	analysis
Nov 6	37.0°F	35.9°F	39.0°F	analysis
Nov 7	41.1°F	38.2°F	45.7°F	analysis
Nov 8	44.6°F	44.2°F	45.1°F	analysis
Nov 9	40.8°F	39.5°F	42.1°F	analysis
Nov 10	42.6°F	41.7°F	43.8°F	analysis
Today	45.0°F	43.6°F	47.9°F	analysis
Nov 12	46.4°F	45.1°F	49.0°F	forecast
Nov 13	46.3°F	44.7°F	48.4°F	forecast
Nov 14	44.5°F	43.5°F	46.5°F	forecast
Nov 15	40.3°F	38.8°F	42.1°F	forecast
Nov 16	41.7°F	41.1°F	42.0°F	forecast
Nov 17	38.6°F	37.4°F	39.7°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 6
50°F	Pre-emergent window opens	May 4
55°F	Crabgrass can germinate	Jun 17
60°F	Tomatoes	not reached
65°F	Warm-season grass seed	not reached

Coeur d'Alene, ID, 45 km away: the full city page, with the 2026 season chart, growing degree days and nearby cities →

Nearby ZIP codes

Today's modelled average.

83868 45°F · 83837 45°F · 83849 45°F · 83850 45°F · 83867 45°F · 83810 47°F · 83873 43°F · 83874 43°F

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

Questions

What is the soil temperature in ZIP code 83839 today?: About 45°F on average in the top 4 inches (0–10 cm), low 44°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 14.6 km from the ZIP centre, not a reading from your yard.
Is it time for crabgrass preventer in 83839?: The spring window is closed. It opens again when the soil holds 50°F. Last spring the soil held 50°F from May 4 and 55°F from Jun 17.

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).