What is the soil temperature in ZIP code 23421 today?

About 59°F on average in the top 4 inches (0–10 cm), low 55°F and high 62°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 12.3 km from the ZIP centre, not a reading from your yard.

Is it time for crabgrass preventer in 23421?

The spring window is closed. It opens again when the soil holds 50°F. Last spring the soil held 50°F from Mar 7 and 55°F from Apr 13.

ZIP 23421 · Virginia · Nov 11, 2026

Soil temperature for ZIP code 23421

59°Faverage today, 0–4 in deep (modelled)
low 55°F · high 62°F

Modelled by NOAA GFS, not measured · run Nov 11, 12:00 UTC (7 am Eastern) · grid cell 12.3 km from the ZIP centre point

On a week ago

4° cooler

63°F on Nov 4

5-day mean

58°F

what the verdicts use

Held 55°F last spring

Apr 13

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	63.4°F	59.1°F	67.1°F	analysis
Nov 5	67.2°F	64.5°F	70.4°F	analysis
Nov 6	68.1°F	66.4°F	69.2°F	analysis
Nov 7	61.2°F	59.2°F	64.2°F	analysis
Nov 8	56.1°F	53.9°F	57.4°F	analysis
Nov 9	57.9°F	55.1°F	60.2°F	analysis
Nov 10	57.3°F	53.4°F	60.1°F	analysis
Today	58.9°F	55.1°F	61.6°F	analysis
Nov 12	58.6°F	56.2°F	60.2°F	forecast
Nov 13	54.4°F	52.3°F	57.3°F	forecast
Nov 14	49.8°F	48.2°F	50.4°F	forecast
Nov 15	48.9°F	46.8°F	50.0°F	forecast
Nov 16	48.0°F	45.2°F	50.0°F	forecast
Nov 17	48.0°F	45.1°F	50.2°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	Jan 7
50°F	Pre-emergent window opens	Mar 7
55°F	Crabgrass can germinate	Apr 13
60°F	Tomatoes	May 6
65°F	Warm-season grass seed	May 18

Salisbury, MD, 66 km away: the full city page, with the 2026 season chart, growing degree days and nearby cities →

Nearby ZIP codes

Today's modelled average.

23357 59°F · 23414 59°F · 23308 59°F · 23441 59°F · 23407 57°F · 23301 59°F · 23302 57°F · 23359 57°F

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

Questions

What is the soil temperature in ZIP code 23421 today?: About 59°F on average in the top 4 inches (0–10 cm), low 55°F and high 62°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 12.3 km from the ZIP centre, not a reading from your yard.
Is it time for crabgrass preventer in 23421?: The spring window is closed. It opens again when the soil holds 50°F. Last spring the soil held 50°F from Mar 7 and 55°F from Apr 13.

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).