ZIP 03586 · New Hampshire · Nov 11, 2026

Soil temperature for ZIP code 03586

41°Faverage today, 0–4 in deep (modelled)
low 40°F · high 42°F

Modelled by NOAA GFS, not measured · run Nov 11, 12:00 UTC (7 am Eastern) · grid cell 5.3 km from the ZIP centre point

On a week ago
12° cooler
52°F on Nov 4
5-day mean
44°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 1652°41°36°
View as table
DayAverageLowHigh
Nov 452.5°F49.8°F55.9°Fanalysis
Nov 554.8°F53.2°F56.3°Fanalysis
Nov 655.5°F54.2°F56.4°Fanalysis
Nov 751.8°F50.5°F53.2°Fanalysis
Nov 844.4°F41.7°F48.2°Fanalysis
Nov 942.2°F41.5°F42.9°Fanalysis
Nov 1041.8°F40.6°F42.8°Fanalysis
Today41.0°F39.9°F42.5°Fanalysis
Nov 1238.5°F37.0°F39.4°Fforecast
Nov 1338.3°F37.8°F39.0°Fforecast
Nov 1435.9°F35.5°F36.4°Fforecast
Nov 1535.3°F35.0°F35.7°Fforecast
Nov 1635.7°F35.5°F36.0°Fforecast
Nov 1735.9°F35.8°F36.1°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.

03585 42°F · 03580 41°F · 03561 41°F · 03740 42°F · 03574 38°F · 03771 42°F · 03251 40°F · 03774 42°F

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

Questions

What is the soil temperature in ZIP code 03586 today?
About 41°F on average in the top 4 inches (0–10 cm), low 40°F and high 42°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 5.3 km from the ZIP centre, not a reading from your yard.
Is it time for crabgrass preventer in 03586?
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).