ZIP 98283 · Washington · Nov 11, 2026

Soil temperature for ZIP code 98283

39°Faverage today, 0–4 in deep (modelled)
low 38°F · high 41°F

Modelled by NOAA GFS, not measured · run Nov 11, 12:00 UTC (7 am Eastern) · grid cell 6.9 km from the ZIP centre point

On a week ago
4° warmer
36°F on Nov 4
5-day mean
38°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 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.

30°40°50°60°50–55°F windowNov 4Nov 6Nov 8TodayNov 14Nov 1636°39°36°
View as table
DayAverageLowHigh
Nov 435.5°F34.7°F37.1°Fanalysis
Nov 540.3°F39.0°F41.3°Fanalysis
Nov 637.2°F36.4°F37.9°Fanalysis
Nov 738.9°F37.5°F41.1°Fanalysis
Nov 839.3°F38.7°F40.4°Fanalysis
Nov 937.0°F35.7°F39.1°Fanalysis
Nov 1037.4°F36.8°F38.1°Fanalysis
Today39.0°F38.0°F41.2°Fanalysis
Nov 1239.7°F38.6°F41.6°Fforecast
Nov 1339.4°F37.9°F42.0°Fforecast
Nov 1439.1°F38.0°F40.8°Fforecast
Nov 1537.3°F36.8°F37.9°Fforecast
Nov 1636.7°F36.4°F37.1°Fforecast
Nov 1736.1°F35.6°F36.6°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 1
50°FPre-emergent window opensJun 15
55°FCrabgrass can germinatenot reached
60°FTomatoesnot reached
65°FWarm-season grass seednot reached

This ZIP code area covers about 468 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.

98237 46°F · 98244 45°F · 98267 42°F · 98833 34°F · 98255 48°F · 98852 35°F · 98241 41°F · 98223 50°F

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

Questions

What is the soil temperature in ZIP code 98283 today?
About 39°F on average in the top 4 inches (0–10 cm), low 38°F and high 41°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 6.9 km from the ZIP centre, not a reading from your yard.
Is it time for crabgrass preventer in 98283?
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).