What is the soil temperature in ZIP code 04750 today?

About 37°F on average in the top 4 inches (0–10 cm), low 36°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 9.6 km from the ZIP centre, not a reading from your yard.

Is it time for crabgrass preventer in 04750?

The spring window is closed. It opens again when the soil holds 50°F. Last spring the soil held 50°F from Jun 5 and 55°F from Jun 10.

ZIP 04750 · Caribou, ME · Nov 11, 2026

Soil temperature for ZIP code 04750

37°Faverage today, 0–4 in deep (modelled)
low 36°F · high 38°F

Modelled by NOAA GFS, not measured · run Nov 11, 12:00 UTC (7 am Eastern) · grid cell 9.6 km from the ZIP centre point

On a week ago

6° cooler

43°F on Nov 4

5-day mean

39°F

what the verdicts use

Held 55°F last spring

Jun 10

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	43.1°F	41.7°F	45.2°F	analysis
Nov 5	49.2°F	46.2°F	52.5°F	analysis
Nov 6	53.5°F	52.7°F	55.2°F	analysis
Nov 7	44.5°F	40.8°F	49.4°F	analysis
Nov 8	39.8°F	39.4°F	40.2°F	analysis
Nov 9	38.3°F	37.5°F	39.2°F	analysis
Nov 10	37.6°F	37.1°F	38.4°F	analysis
Today	36.9°F	36.1°F	37.5°F	analysis
Nov 12	36.0°F	35.4°F	37.2°F	forecast
Nov 13	33.5°F	32.9°F	35.2°F	forecast
Nov 14	33.3°F	32.8°F	34.4°F	forecast
Nov 15	35.9°F	35.0°F	36.9°F	forecast
Nov 16	35.3°F	34.6°F	36.6°F	forecast
Nov 17	33.2°F	32.7°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	Apr 28
50°F	Pre-emergent window opens	Jun 5
55°F	Crabgrass can germinate	Jun 10
60°F	Tomatoes	not reached
65°F	Warm-season grass seed	not reached

Nearby ZIP codes

Today's modelled average.

04736 37°F · 04762 37°F · 04742 38°F · 04785 37°F · 04783 37°F · 04766 37°F · 04786 38°F · 04769 38°F

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

Questions

What is the soil temperature in ZIP code 04750 today?: About 37°F on average in the top 4 inches (0–10 cm), low 36°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 9.6 km from the ZIP centre, not a reading from your yard.
Is it time for crabgrass preventer in 04750?: The spring window is closed. It opens again when the soil holds 50°F. Last spring the soil held 50°F from Jun 5 and 55°F from Jun 10.

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).