What is the soil temperature in ZIP code 21050 today?

About 54°F on average in the top 4 inches (0–10 cm), low 50°F and high 56°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 13.2 km from the ZIP centre, not a reading from your yard.

Is it time for crabgrass preventer in 21050?

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 6.

ZIP 21050 · Bel Air North, MD · Nov 11, 2026

Soil temperature for ZIP code 21050

54°Faverage today, 0–4 in deep (modelled)
low 50°F · high 56°F

Modelled by NOAA GFS, not measured · run Nov 11, 12:00 UTC (7 am Eastern) · grid cell 13.2 km from the ZIP centre point

On a week ago

5° cooler

59°F on Nov 4

5-day mean

54°F

what the verdicts use

Held 55°F last spring

May 6

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	58.9°F	55.0°F	62.2°F	analysis
Nov 5	62.3°F	60.8°F	64.2°F	analysis
Nov 6	63.2°F	62.8°F	63.8°F	analysis
Nov 7	57.0°F	55.2°F	59.8°F	analysis
Nov 8	52.8°F	49.9°F	55.2°F	analysis
Nov 9	53.2°F	50.8°F	54.6°F	analysis
Nov 10	52.5°F	48.3°F	56.6°F	analysis
Today	53.8°F	50.3°F	55.7°F	analysis
Nov 12	53.8°F	53.0°F	54.8°F	forecast
Nov 13	48.9°F	47.5°F	51.8°F	forecast
Nov 14	43.5°F	40.6°F	44.9°F	forecast
Nov 15	42.6°F	39.5°F	44.7°F	forecast
Nov 16	43.1°F	39.3°F	45.8°F	forecast
Nov 17	42.9°F	39.0°F	45.6°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 7
50°F	Pre-emergent window opens	Apr 13
55°F	Crabgrass can germinate	May 6
60°F	Tomatoes	May 28
65°F	Warm-season grass seed	Jun 6

Bel Air South, MD, 11 km away: the full city page, with the 2026 season chart, growing degree days and nearby cities →

Nearby ZIP codes

Today's modelled average.

21014 53°F · 21084 54°F · 21047 54°F · 21154 51°F · 21015 53°F · 21013 54°F · 21028 53°F · 21132 51°F

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

Questions

What is the soil temperature in ZIP code 21050 today?: About 54°F on average in the top 4 inches (0–10 cm), low 50°F and high 56°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 13.2 km from the ZIP centre, not a reading from your yard.
Is it time for crabgrass preventer in 21050?: 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 6.

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).