What is the soil temperature in ZIP code 98823 today?

About 47°F on average in the top 4 inches (0–10 cm), low 45°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 13.1 km from the ZIP centre, not a reading from your yard.

Is it time for crabgrass preventer in 98823?

The spring window is closed. It opens again when the soil holds 50°F. Last spring the soil held 50°F from Apr 7 and 55°F from May 1.

ZIP 98823 · Ephrata, WA · Nov 11, 2026

Soil temperature for ZIP code 98823

47°Faverage today, 0–4 in deep (modelled)
low 45°F · high 52°F

Modelled by NOAA GFS, not measured · run Nov 11, 12:00 UTC (7 am Eastern) · grid cell 13.1 km from the ZIP centre point

On a week ago

2° warmer

45°F on Nov 4

5-day mean

47°F

what the verdicts use

Held 55°F last spring

May 1

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	44.8°F	42.4°F	48.1°F	analysis
Nov 5	46.6°F	44.9°F	50.2°F	analysis
Nov 6	45.9°F	43.7°F	49.3°F	analysis
Nov 7	47.3°F	45.1°F	50.3°F	analysis
Nov 8	47.9°F	46.3°F	51.0°F	analysis
Nov 9	46.9°F	45.1°F	49.7°F	analysis
Nov 10	45.8°F	43.7°F	48.2°F	analysis
Today	47.3°F	44.7°F	52.2°F	analysis
Nov 12	48.4°F	46.3°F	51.8°F	forecast
Nov 13	48.0°F	45.8°F	51.5°F	forecast
Nov 14	48.5°F	45.8°F	51.0°F	forecast
Nov 15	46.1°F	44.8°F	47.8°F	forecast
Nov 16	45.1°F	43.0°F	48.1°F	forecast
Nov 17	42.4°F	39.8°F	45.8°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	Mar 1
50°F	Pre-emergent window opens	Apr 7
55°F	Crabgrass can germinate	May 1
60°F	Tomatoes	May 3
65°F	Warm-season grass seed	Jun 15

Moses Lake, WA, 36 km away: the full city page, with the 2026 season chart, growing degree days and nearby cities →

Nearby ZIP codes

Today's modelled average.

98851 47°F · 98848 47°F · 98845 43°F · 98853 48°F · 98850 43°F · 98837 50°F · 98824 48°F · 98828 45°F

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

Questions

What is the soil temperature in ZIP code 98823 today?: About 47°F on average in the top 4 inches (0–10 cm), low 45°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 13.1 km from the ZIP centre, not a reading from your yard.
Is it time for crabgrass preventer in 98823?: The spring window is closed. It opens again when the soil holds 50°F. Last spring the soil held 50°F from Apr 7 and 55°F from May 1.

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).