ZIP 03579 · Maine · Nov 11, 2026

Soil temperature for ZIP code 03579

38°Faverage today, 0–4 in deep (modelled)
low 37°F · high 39°F

Modelled by NOAA GFS, not measured · run Nov 11, 12:00 UTC (7 am Eastern) · grid cell 7.9 km from the ZIP centre point

On a week ago
11° cooler
48°F on Nov 4
5-day mean
41°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 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.

20°30°40°50°60°50–55°F windowNov 4Nov 6Nov 8TodayNov 14Nov 1648°38°34°
View as table
DayAverageLowHigh
Nov 448.5°F45.6°F52.0°Fanalysis
Nov 551.0°F49.0°F53.0°Fanalysis
Nov 651.3°F50.3°F52.3°Fanalysis
Nov 747.6°F46.0°F49.0°Fanalysis
Nov 841.2°F38.8°F44.5°Fanalysis
Nov 938.8°F38.2°F39.2°Fanalysis
Nov 1038.1°F37.2°F39.0°Fanalysis
Today37.9°F37.1°F39.3°Fanalysis
Nov 1236.2°F36.1°F36.4°Fforecast
Nov 1335.3°F35.0°F35.5°Fforecast
Nov 1434.5°F34.4°F34.8°Fforecast
Nov 1534.1°F34.1°F34.3°Fforecast
Nov 1634.0°F33.9°F34.1°Fforecast
Nov 1733.5°F33.5°F33.6°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 lettuceMay 6
50°FPre-emergent window opensJun 5
55°FCrabgrass can germinateJun 10
60°FTomatoesnot reached
65°FWarm-season grass seednot reached

This ZIP code area covers about 562 square miles; the reading is for the model grid cell nearest its Census centre point, which can be far from where you are. Try a neighbouring ZIP if it looks off.

Nearby ZIP codes

Today's modelled average.

04964 38°F · 03592 38°F · 03576 39°F · 04216 39°F · 03597 38°F · 04970 37°F · 05902 39°F · 03588 40°F

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

Questions

What is the soil temperature in ZIP code 03579 today?
About 38°F on average in the top 4 inches (0–10 cm), low 37°F and high 39°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 7.9 km from the ZIP centre, not a reading from your yard.
Is it time for crabgrass preventer in 03579?
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).