What is the soil temperature in ZIP code 06525 today?

About 55°F on average in the top 4 inches (0–10 cm), low 50°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 12.6 km from the ZIP centre, not a reading from your yard.

Is it time for crabgrass preventer in 06525?

The spring window is closed. It opens again when the soil holds 50°F. Last spring the soil held 50°F from Apr 27 and 55°F from May 13.

ZIP 06525 · Woodbridge, CT · Nov 11, 2026

Soil temperature for ZIP code 06525

55°Faverage today, 0–4 in deep (modelled)
low 50°F · high 59°F

Modelled by NOAA GFS, not measured · run Nov 11, 12:00 UTC (7 am Eastern) · grid cell 12.6 km from the ZIP centre point

On a week ago

7° cooler

61°F on Nov 4

5-day mean

55°F

what the verdicts use

Held 55°F last spring

May 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	61.3°F	56.2°F	65.9°F	analysis
Nov 5	62.9°F	58.9°F	66.3°F	analysis
Nov 6	63.4°F	62.8°F	64.0°F	analysis
Nov 7	60.4°F	57.3°F	64.0°F	analysis
Nov 8	54.7°F	51.5°F	57.9°F	analysis
Nov 9	53.4°F	51.2°F	55.3°F	analysis
Nov 10	52.5°F	47.6°F	56.8°F	analysis
Today	54.7°F	50.3°F	58.6°F	analysis
Nov 12	53.2°F	51.7°F	55.5°F	forecast
Nov 13	45.2°F	43.2°F	48.9°F	forecast
Nov 14	42.7°F	40.6°F	44.9°F	forecast
Nov 15	42.3°F	38.0°F	46.8°F	forecast
Nov 16	43.5°F	38.8°F	48.2°F	forecast
Nov 17	43.6°F	38.2°F	48.3°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 11
50°F	Pre-emergent window opens	Apr 27
55°F	Crabgrass can germinate	May 13
60°F	Tomatoes	Jun 4
65°F	Warm-season grass seed	Jun 5

New Haven, CT, 9 km away: the full city page, with the 2026 season chart, growing degree days and nearby cities →

Nearby ZIP codes

Today's modelled average.

06515 55°F · 06514 48°F · 06401 55°F · 06524 48°F · 06483 48°F · 06418 55°F · 06517 55°F · 06511 55°F

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

Questions

What is the soil temperature in ZIP code 06525 today?: About 55°F on average in the top 4 inches (0–10 cm), low 50°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 12.6 km from the ZIP centre, not a reading from your yard.
Is it time for crabgrass preventer in 06525?: The spring window is closed. It opens again when the soil holds 50°F. Last spring the soil held 50°F from Apr 27 and 55°F from May 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).