ZIP 04730 · Houlton, ME · Nov 11, 2026

Soil temperature for ZIP code 04730

39°Faverage today, 0–4 in deep (modelled)
low 38°F · high 40°F

Modelled by NOAA GFS, not measured · run Nov 11, 12:00 UTC (7 am Eastern) · grid cell 10.8 km from the ZIP centre point

On a week ago
7° cooler
46°F on Nov 4
5-day mean
42°F
what the verdicts use
Held 55°F last spring
Jun 7
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.

30°40°50°60°70°50–55°F windowNov 4Nov 6Nov 8TodayNov 14Nov 1646°39°35°
View as table
DayAverageLowHigh
Nov 445.7°F43.5°F49.0°Fanalysis
Nov 551.8°F49.4°F54.5°Fanalysis
Nov 656.1°F55.3°F57.5°Fanalysis
Nov 747.9°F43.8°F52.7°Fanalysis
Nov 842.3°F41.2°F43.1°Fanalysis
Nov 940.6°F39.1°F41.8°Fanalysis
Nov 1039.5°F38.4°F40.9°Fanalysis
Today38.6°F38.0°F39.7°Fanalysis
Nov 1237.0°F36.3°F37.5°Fforecast
Nov 1334.7°F34.5°F35.4°Fforecast
Nov 1435.6°F34.7°F36.8°Fforecast
Nov 1537.1°F36.6°F37.6°Fforecast
Nov 1636.1°F35.6°F36.4°Fforecast
Nov 1734.9°F34.3°F35.7°Fforecast
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.

SoilWhat it meansHeld from (spring 2026)
40°FPeas and lettuceApr 28
50°FPre-emergent window opensJun 5
55°FCrabgrass can germinateJun 7
60°FTomatoesnot reached
65°FWarm-season grass seednot reached

Nearby ZIP codes

Today's modelled average.

04761 39°F · 04760 37°F · 04763 39°F · 04735 37°F · 04471 39°F · 04780 37°F · 04734 37°F · 04747 39°F

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

Questions

What is the soil temperature in ZIP code 04730 today?
About 39°F on average in the top 4 inches (0–10 cm), low 38°F and high 40°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 10.8 km from the ZIP centre, not a reading from your yard.
Is it time for crabgrass preventer in 04730?
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 7.

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).