What is the soil temperature in ZIP code 04478 today?

About 38°F on average in the top 4 inches (0–10 cm), low 37°F and high 38°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 2.8 km from the ZIP centre, not a reading from your yard.

Is it time for crabgrass preventer in 04478?

The spring window is closed. It opens again when the soil holds 50°F.

ZIP 04478 · Maine · Nov 11, 2026

Soil temperature for ZIP code 04478

38°Faverage today, 0–4 in deep (modelled)
low 37°F · high 38°F

Modelled by NOAA GFS, not measured · run Nov 11, 12:00 UTC (7 am Eastern) · grid cell 2.8 km from the ZIP centre point

On a week ago

12° cooler

50°F on Nov 4

5-day mean

39°F

what the verdicts use

Held 55°F last spring

–

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 lettuceToo cold

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	49.9°F	47.8°F	52.7°F	analysis
Nov 5	51.7°F	50.3°F	52.5°F	analysis
Nov 6	52.2°F	51.6°F	53.0°F	analysis
Nov 7	45.9°F	42.8°F	49.2°F	analysis
Nov 8	39.4°F	38.0°F	41.3°F	analysis
Nov 9	37.1°F	36.9°F	37.2°F	analysis
Nov 10	36.7°F	35.9°F	37.5°F	analysis
Today	37.6°F	37.2°F	38.2°F	analysis
Nov 12	36.8°F	36.3°F	37.2°F	forecast
Nov 13	34.3°F	33.9°F	35.2°F	forecast
Nov 14	33.5°F	33.4°F	33.6°F	forecast
Nov 15	34.1°F	33.4°F	35.2°F	forecast
Nov 16	35.0°F	34.6°F	35.2°F	forecast
Nov 17	33.8°F	33.4°F	34.7°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	May 6
50°F	Pre-emergent window opens	Jun 5
55°F	Crabgrass can germinate	not reached
60°F	Tomatoes	not reached
65°F	Warm-season grass seed	not reached

Nearby ZIP codes

Today's modelled average.

04442 38°F · 04441 37°F · 04985 38°F · 04945 37°F · 04485 40°F · 04464 40°F · 04406 40°F · 04925 39°F

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

Questions

What is the soil temperature in ZIP code 04478 today?: About 38°F on average in the top 4 inches (0–10 cm), low 37°F and high 38°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 2.8 km from the ZIP centre, not a reading from your yard.
Is it time for crabgrass preventer in 04478?: The spring window is closed. It opens again when the soil holds 50°F.

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).