What is the soil temperature in ZIP code 28670 today?

About 56°F on average in the top 4 inches (0–10 cm), low 52°F and high 59°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 km from the ZIP centre, not a reading from your yard.

Is it time for crabgrass preventer in 28670?

The spring window is closed. It opens again when the soil holds 50°F. Last spring the soil held 50°F from Mar 5 and 55°F from Apr 12.

ZIP 28670 · North Carolina · Nov 11, 2026

Soil temperature for ZIP code 28670

56°Faverage today, 0–4 in deep (modelled)
low 52°F · high 59°F

Modelled by NOAA GFS, not measured · run Nov 11, 12:00 UTC (7 am Eastern) · grid cell 10 km from the ZIP centre point

On a week ago

4° cooler

60°F on Nov 4

5-day mean

55°F

what the verdicts use

Held 55°F last spring

Apr 12

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	59.6°F	57.7°F	61.1°F	analysis
Nov 5	63.3°F	62.2°F	64.9°F	analysis
Nov 6	63.4°F	62.2°F	64.0°F	analysis
Nov 7	57.9°F	55.9°F	60.0°F	analysis
Nov 8	53.6°F	50.3°F	56.2°F	analysis
Nov 9	53.6°F	49.9°F	56.9°F	analysis
Nov 10	54.6°F	50.8°F	58.0°F	analysis
Today	55.7°F	52.1°F	58.8°F	analysis
Nov 12	55.5°F	54.2°F	56.4°F	forecast
Nov 13	49.9°F	48.8°F	52.1°F	forecast
Nov 14	43.7°F	42.0°F	44.7°F	forecast
Nov 15	42.2°F	41.1°F	44.6°F	forecast
Nov 16	43.3°F	40.2°F	46.1°F	forecast
Nov 17	43.9°F	40.6°F	47.0°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	Feb 14
50°F	Pre-emergent window opens	Mar 5
55°F	Crabgrass can germinate	Apr 12
60°F	Tomatoes	May 18
65°F	Warm-season grass seed	Jun 6

Winston-Salem, NC, 61 km away: the full city page, with the 2026 season chart, growing degree days and nearby cities →

Nearby ZIP codes

Today's modelled average.

28669 56°F · 28642 56°F · 27020 57°F · 28621 56°F · 28676 56°F · 28689 56°F · 27011 56°F · 28685 56°F

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

Questions

What is the soil temperature in ZIP code 28670 today?: About 56°F on average in the top 4 inches (0–10 cm), low 52°F and high 59°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 km from the ZIP centre, not a reading from your yard.
Is it time for crabgrass preventer in 28670?: The spring window is closed. It opens again when the soil holds 50°F. Last spring the soil held 50°F from Mar 5 and 55°F from Apr 12.

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).