What is the soil temperature in ZIP code 08551 today?

About 51°F on average in the top 4 inches (0–10 cm), low 47°F and high 53°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 9.4 km from the ZIP centre, not a reading from your yard.

Is it time for crabgrass preventer in 08551?

The spring window is closed. It opens again when the soil holds 50°F. Last spring the soil held 50°F from Apr 26 and 55°F from May 17.

ZIP 08551 · Hillsborough, NJ · Nov 11, 2026

Soil temperature for ZIP code 08551

51°Faverage today, 0–4 in deep (modelled)
low 47°F · high 53°F

Modelled by NOAA GFS, not measured · run Nov 11, 12:00 UTC (7 am Eastern) · grid cell 9.4 km from the ZIP centre point

On a week ago

6° cooler

56°F on Nov 4

5-day mean

52°F

what the verdicts use

Held 55°F last spring

May 17

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	56.3°F	53.0°F	59.6°F	analysis
Nov 5	59.2°F	57.3°F	61.9°F	analysis
Nov 6	62.1°F	61.7°F	62.5°F	analysis
Nov 7	57.0°F	55.4°F	58.6°F	analysis
Nov 8	51.9°F	50.6°F	52.8°F	analysis
Nov 9	50.4°F	48.5°F	51.6°F	analysis
Nov 10	49.1°F	46.2°F	51.6°F	analysis
Today	50.6°F	47.4°F	52.9°F	analysis
Nov 12	52.5°F	51.7°F	53.2°F	forecast
Nov 13	47.7°F	45.1°F	50.8°F	forecast
Nov 14	42.4°F	41.1°F	43.1°F	forecast
Nov 15	41.1°F	38.6°F	43.1°F	forecast
Nov 16	42.2°F	39.3°F	44.3°F	forecast
Nov 17	41.6°F	38.4°F	43.7°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 9
50°F	Pre-emergent window opens	Apr 26
55°F	Crabgrass can germinate	May 17
60°F	Tomatoes	Jun 5
65°F	Warm-season grass seed	Jun 7

Trenton, NJ, 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.

08525 51°F · 08822 51°F · 08887 51°F · 08530 55°F · 08558 51°F · 08853 51°F · 08559 50°F · 08534 57°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 08551 today?: About 51°F on average in the top 4 inches (0–10 cm), low 47°F and high 53°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 9.4 km from the ZIP centre, not a reading from your yard.
Is it time for crabgrass preventer in 08551?: The spring window is closed. It opens again when the soil holds 50°F. Last spring the soil held 50°F from Apr 26 and 55°F from May 17.

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).