ZIP 98816 · Washington · Nov 11, 2026

Soil temperature for ZIP code 98816

41°Faverage today, 0–4 in deep (modelled)
low 40°F · high 45°F

Modelled by NOAA GFS, not measured · run Nov 11, 12:00 UTC (7 am Eastern) · grid cell 8.7 km from the ZIP centre point

On a week ago
2° warmer
40°F on Nov 4
5-day mean
40°F
what the verdicts use
Held 55°F last spring
May 4
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 1640°41°37°
View as table
DayAverageLowHigh
Nov 439.7°F37.5°F42.8°Fanalysis
Nov 540.6°F39.2°F43.8°Fanalysis
Nov 639.1°F38.1°F41.1°Fanalysis
Nov 739.4°F38.0°F42.0°Fanalysis
Nov 840.8°F39.8°F42.8°Fanalysis
Nov 939.4°F38.0°F41.4°Fanalysis
Nov 1039.7°F38.8°F40.9°Fanalysis
Today41.4°F39.7°F44.7°Fanalysis
Nov 1242.5°F41.3°F44.7°Fforecast
Nov 1342.3°F40.6°F45.2°Fforecast
Nov 1443.2°F42.2°F44.2°Fforecast
Nov 1539.2°F38.6°F40.8°Fforecast
Nov 1638.6°F37.4°F40.1°Fforecast
Nov 1736.9°F36.2°F37.7°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 lettuceApr 6
50°FPre-emergent window opensMay 2
55°FCrabgrass can germinateMay 4
60°FTomatoesJun 16
65°FWarm-season grass seednot reached

Wenatchee, WA, 70 km away: the full city page, with the 2026 season chart, growing degree days and nearby cities →

This ZIP code area covers about 494 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.

98814 40°F · 98831 41°F · 98834 43°F · 98822 37°F · 98846 43°F · 98856 40°F · 98811 42°F · 98817 43°F

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

Questions

What is the soil temperature in ZIP code 98816 today?
About 41°F on average in the top 4 inches (0–10 cm), low 40°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 8.7 km from the ZIP centre, not a reading from your yard.
Is it time for crabgrass preventer in 98816?
The spring window is closed. It opens again when the soil holds 50°F. Last spring the soil held 50°F from May 2 and 55°F from May 4.

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).