What is the soil temperature in ZIP code 20186 today?

About 55°F on average in the top 4 inches (0–10 cm), low 52°F and high 57°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 10.4 km from the ZIP centre, not a reading from your yard.

Is it time for crabgrass preventer in 20186?

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

ZIP 20186 · Warrenton, VA · Nov 11, 2026

Soil temperature for ZIP code 20186

55°Faverage today, 0–4 in deep (modelled)
low 52°F · high 57°F

Modelled by NOAA GFS, not measured · run Nov 11, 12:00 UTC (7 am Eastern) · grid cell 10.4 km from the ZIP centre point

On a week ago

3° cooler

58°F on Nov 4

5-day mean

54°F

what the verdicts use

Held 55°F last spring

May 7

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	57.6°F	55.0°F	60.9°F	analysis
Nov 5	62.7°F	61.1°F	64.7°F	analysis
Nov 6	63.7°F	63.1°F	64.4°F	analysis
Nov 7	57.5°F	55.3°F	60.9°F	analysis
Nov 8	51.8°F	49.6°F	53.4°F	analysis
Nov 9	51.9°F	49.6°F	53.8°F	analysis
Nov 10	51.7°F	48.7°F	55.0°F	analysis
Today	54.6°F	51.9°F	57.4°F	analysis
Nov 12	54.1°F	52.8°F	55.0°F	forecast
Nov 13	51.1°F	49.9°F	52.8°F	forecast
Nov 14	45.1°F	43.5°F	46.3°F	forecast
Nov 15	44.4°F	42.7°F	46.2°F	forecast
Nov 16	43.8°F	41.3°F	45.7°F	forecast
Nov 17	43.4°F	40.8°F	45.4°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 13
55°F	Crabgrass can germinate	May 7
60°F	Tomatoes	May 28
65°F	Warm-season grass seed	Jun 7

Culpeper, VA, 27 km away: the full city page, with the 2026 season chart, growing degree days and nearby cities →

Nearby ZIP codes

Today's modelled average.

22724 54°F · 20187 55°F · 20106 54°F · 20115 54°F · 20137 55°F · 22712 55°F · 22746 54°F · 22737 54°F

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

Questions

What is the soil temperature in ZIP code 20186 today?: About 55°F on average in the top 4 inches (0–10 cm), low 52°F and high 57°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 10.4 km from the ZIP centre, not a reading from your yard.
Is it time for crabgrass preventer in 20186?: The spring window is closed. It opens again when the soil holds 50°F. Last spring the soil held 50°F from Apr 13 and 55°F from May 7.

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).