ZIP 83539 · Idaho · Nov 11, 2026

Soil temperature for ZIP code 83539

42°Faverage today, 0–4 in deep (modelled)
low 41°F · high 45°F

Modelled by NOAA GFS, not measured · run Nov 11, 12:00 UTC (7 am Eastern) · grid cell 7.5 km from the ZIP centre point

On a week ago
6° warmer
36°F on Nov 4
5-day mean
40°F
what the verdicts use
Held 55°F last spring
–
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.

30°40°50°60°50–55°F windowNov 4Nov 6Nov 8TodayNov 14Nov 1636°42°37°
View as table
DayAverageLowHigh
Nov 436.0°F35.0°F38.0°Fanalysis
Nov 536.0°F35.2°F36.4°Fanalysis
Nov 636.3°F35.2°F37.2°Fanalysis
Nov 738.9°F36.4°F43.3°Fanalysis
Nov 840.7°F39.5°F42.2°Fanalysis
Nov 938.9°F36.9°F41.8°Fanalysis
Nov 1040.8°F39.9°F42.5°Fanalysis
Today42.3°F40.7°F45.1°Fanalysis
Nov 1243.1°F41.3°F46.0°Fforecast
Nov 1342.5°F40.9°F44.7°Fforecast
Nov 1440.6°F39.2°F42.8°Fforecast
Nov 1536.5°F35.3°F37.5°Fforecast
Nov 1636.4°F35.2°F38.6°Fforecast
Nov 1737.0°F36.6°F37.5°Fforecast
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.

SoilWhat it meansHeld from (spring 2026)
40°FPeas and lettuceMay 4
50°FPre-emergent window opensJun 16
55°FCrabgrass can germinatenot reached
60°FTomatoesnot reached
65°FWarm-season grass seednot reached

This ZIP code area covers about 2,084 square miles; the reading is for the model grid cell nearest its Census centre point, which can be far from where you are. Try a neighbouring ZIP if it looks off.

Nearby ZIP codes

Today's modelled average.

59875 42°F · 59841 44°F · 59840 46°F · 59847 44°F · 59870 46°F · 59827 43°F · 83525 46°F · 59833 45°F

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

Questions

What is the soil temperature in ZIP code 83539 today?
About 42°F on average in the top 4 inches (0–10 cm), low 41°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 7.5 km from the ZIP centre, not a reading from your yard.
Is it time for crabgrass preventer in 83539?
The spring window is closed. It opens again when the soil holds 50°F.

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).