What is the soil temperature in ZIP code 98224 today?

About 44°F on average in the top 4 inches (0–10 cm), low 43°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 5.3 km from the ZIP centre, not a reading from your yard.

Is it time for crabgrass preventer in 98224?

The spring window is closed. It opens again when the soil holds 50°F. Last spring the soil held 50°F from Jun 14 and 55°F from Jun 16.

ZIP 98224 · Snoqualmie, WA · Nov 11, 2026

Soil temperature for ZIP code 98224

44°Faverage today, 0–4 in deep (modelled)
low 43°F · high 48°F

Modelled by NOAA GFS, not measured · run Nov 11, 12:00 UTC (7 am Eastern) · grid cell 5.3 km from the ZIP centre point

On a week ago

2° warmer

42°F on Nov 4

5-day mean

43°F

what the verdicts use

Held 55°F last spring

Jun 16

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	42.3°F	40.2°F	46.1°F	analysis
Nov 5	43.8°F	42.6°F	44.9°F	analysis
Nov 6	41.2°F	40.4°F	42.0°F	analysis
Nov 7	43.2°F	41.7°F	45.7°F	analysis
Nov 8	43.6°F	42.8°F	44.7°F	analysis
Nov 9	40.3°F	39.0°F	42.4°F	analysis
Nov 10	41.7°F	41.1°F	42.2°F	analysis
Today	44.2°F	42.9°F	47.6°F	analysis
Nov 12	45.6°F	44.3°F	47.6°F	forecast
Nov 13	45.0°F	43.7°F	46.2°F	forecast
Nov 14	43.1°F	41.8°F	44.5°F	forecast
Nov 15	41.9°F	41.1°F	43.1°F	forecast
Nov 16	40.0°F	39.4°F	41.0°F	forecast
Nov 17	38.8°F	38.2°F	39.9°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 5
50°F	Pre-emergent window opens	Jun 14
55°F	Crabgrass can germinate	Jun 16
60°F	Tomatoes	not reached
65°F	Warm-season grass seed	not reached

Maple Valley, WA, 52 km away: the full city page, with the 2026 season chart, growing degree days and nearby cities →

Nearby ZIP codes

Today's modelled average.

98256 44°F · 98294 48°F · 98251 45°F · 98014 48°F · 98288 40°F · 98065 48°F · 98019 52°F · 98272 52°F

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

Questions

What is the soil temperature in ZIP code 98224 today?: About 44°F on average in the top 4 inches (0–10 cm), low 43°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 5.3 km from the ZIP centre, not a reading from your yard.
Is it time for crabgrass preventer in 98224?: The spring window is closed. It opens again when the soil holds 50°F. Last spring the soil held 50°F from Jun 14 and 55°F from Jun 16.

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).