ZIP 01464 · Harvard, MA · Nov 11, 2026

Soil temperature for ZIP code 01464

48°Faverage today, 0–4 in deep (modelled)
low 46°F · high 49°F

Modelled by NOAA GFS, not measured · run Nov 11, 12:00 UTC (7 am Eastern) · grid cell 12.1 km from the ZIP centre point

On a week ago
10° cooler
58°F on Nov 4
5-day mean
50°F
what the verdicts use
Held 55°F last spring
Jun 5
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 1658°48°39°
View as table
DayAverageLowHigh
Nov 457.8°F55.0°F60.8°Fanalysis
Nov 560.0°F57.9°F61.8°Fanalysis
Nov 662.1°F61.6°F62.7°Fanalysis
Nov 757.8°F55.3°F60.6°Fanalysis
Nov 850.9°F49.8°F53.0°Fanalysis
Nov 947.4°F46.3°F48.1°Fanalysis
Nov 1046.8°F45.1°F48.0°Fanalysis
Today48.1°F46.5°F48.8°Fanalysis
Nov 1245.2°F44.5°F46.9°Fforecast
Nov 1342.1°F40.5°F44.2°Fforecast
Nov 1439.7°F39.2°F40.0°Fforecast
Nov 1538.8°F38.2°F39.5°Fforecast
Nov 1638.9°F38.2°F40.0°Fforecast
Nov 1738.9°F38.7°F39.6°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 lettuceApr 11
50°FPre-emergent window opensMay 17
55°FCrabgrass can germinateJun 5
60°FTomatoesJun 6
65°FWarm-season grass seednot reached

Leominster, MA, 11 km away: the full city page, with the 2026 season chart, growing degree days and nearby cities →

Nearby ZIP codes

Today's modelled average.

01434 48°F · 01432 48°F · 01462 48°F · 01450 48°F · 01451 48°F · 01523 48°F · 01469 48°F · 01463 50°F

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

Questions

What is the soil temperature in ZIP code 01464 today?
About 48°F on average in the top 4 inches (0–10 cm), low 46°F and high 49°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 12.1 km from the ZIP centre, not a reading from your yard.
Is it time for crabgrass preventer in 01464?
The spring window is closed. It opens again when the soil holds 50°F. Last spring the soil held 50°F from May 17 and 55°F from Jun 5.

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).