What is the soil temperature in ZIP code 08033 today?

About 59°F on average in the top 4 inches (0–10 cm), low 53°F and high 63°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 12.4 km from the ZIP centre, not a reading from your yard.

Is it time for crabgrass preventer in 08033?

The spring window is closed. It opens again when the soil holds 50°F. Last spring the soil held 50°F from Mar 23 and 55°F from Apr 13.

ZIP 08033 · Haddonfield, NJ · Nov 11, 2026

Soil temperature for ZIP code 08033

59°Faverage today, 0–4 in deep (modelled)
low 53°F · high 63°F

Modelled by NOAA GFS, not measured · run Nov 11, 12:00 UTC (7 am Eastern) · grid cell 12.4 km from the ZIP centre point

On a week ago

5° cooler

63°F on Nov 4

5-day mean

57°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	63.3°F	57.2°F	68.5°F	analysis
Nov 5	65.8°F	62.0°F	69.7°F	analysis
Nov 6	65.1°F	63.7°F	66.3°F	analysis
Nov 7	59.6°F	57.7°F	61.3°F	analysis
Nov 8	55.6°F	52.2°F	59.1°F	analysis
Nov 9	56.6°F	53.7°F	59.5°F	analysis
Nov 10	56.2°F	51.0°F	60.6°F	analysis
Today	58.6°F	52.8°F	63.1°F	analysis
Nov 12	57.4°F	55.8°F	58.9°F	forecast
Nov 13	49.0°F	46.0°F	52.5°F	forecast
Nov 14	44.8°F	42.4°F	46.6°F	forecast
Nov 15	44.9°F	40.7°F	48.5°F	forecast
Nov 16	47.5°F	44.0°F	51.4°F	forecast
Nov 17	47.2°F	42.6°F	51.1°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	Mar 23
55°F	Crabgrass can germinate	Apr 13
60°F	Tomatoes	May 16
65°F	Warm-season grass seed	May 28

Philadelphia, PA, 13 km away: the full city page, with the 2026 season chart, growing degree days and nearby cities →

Nearby ZIP codes

Today's modelled average.

08045 57°F · 08035 59°F · 08106 59°F · 08108 59°F · 08007 57°F · 08034 59°F · 08049 57°F · 08107 59°F

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

Questions

What is the soil temperature in ZIP code 08033 today?: About 59°F on average in the top 4 inches (0–10 cm), low 53°F and high 63°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 12.4 km from the ZIP centre, not a reading from your yard.
Is it time for crabgrass preventer in 08033?: The spring window is closed. It opens again when the soil holds 50°F. Last spring the soil held 50°F from Mar 23 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).