ZIP 83209 · Pocatello, ID · Nov 11, 2026

Soil temperature for ZIP code 83209

46°Faverage today, 0–4 in deep (modelled)
low 42°F · high 52°F

Modelled by NOAA GFS, not measured · run Nov 11, 12:00 UTC (7 am Eastern) · grid cell 13.4 km from the ZIP centre point

On a week ago
4° warmer
42°F on Nov 4
5-day mean
44°F
what the verdicts use
Held 55°F last spring
May 25
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 1642°46°42°
View as table
DayAverageLowHigh
Nov 442.1°F39.7°F46.2°Fanalysis
Nov 540.3°F37.0°F44.6°Fanalysis
Nov 640.1°F35.9°F45.9°Fanalysis
Nov 741.5°F37.0°F48.7°Fanalysis
Nov 843.5°F40.0°F48.8°Fanalysis
Nov 945.0°F41.4°F50.2°Fanalysis
Nov 1045.4°F42.2°F49.9°Fanalysis
Today45.6°F41.6°F51.6°Fanalysis
Nov 1245.6°F41.7°F51.0°Fforecast
Nov 1345.5°F42.8°F49.1°Fforecast
Nov 1443.4°F42.3°F45.1°Fforecast
Nov 1538.0°F35.2°F42.1°Fforecast
Nov 1639.6°F36.8°F44.4°Fforecast
Nov 1741.5°F37.9°F47.1°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 lettuceMar 16
50°FPre-emergent window opensMar 20
55°FCrabgrass can germinateMay 25
60°FTomatoesJun 17
65°FWarm-season grass seednot reached

Pocatello, ID, 2 km away: the full city page, with the 2026 season chart, growing degree days and nearby cities →

Nearby ZIP codes

Today's modelled average.

83201 46°F · 83204 46°F · 83202 46°F · 83203 47°F · 83245 43°F · 83250 43°F · 83277 46°F · 83214 43°F

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

Questions

What is the soil temperature in ZIP code 83209 today?
About 46°F on average in the top 4 inches (0–10 cm), low 42°F and high 52°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 13.4 km from the ZIP centre, not a reading from your yard.
Is it time for crabgrass preventer in 83209?
The spring window is closed. It opens again when the soil holds 50°F. Last spring the soil held 50°F from Mar 20 and 55°F from May 25.

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).