What is the soil temperature in ZIP code 03597 today?

About 38°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 9.4 km from the ZIP centre, not a reading from your yard.

Is it time for crabgrass preventer in 03597?

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 8.

ZIP 03597 · Berlin, NH · Nov 11, 2026

Soil temperature for ZIP code 03597

38°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 9.4 km from the ZIP centre point

On a week ago

11° cooler

49°F on Nov 4

5-day mean

42°F

what the verdicts use

Held 55°F last spring

Jun 8

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.

View as table

Day	Average	Low	High
Nov 4	49.4°F	46.5°F	52.7°F	analysis
Nov 5	51.7°F	49.9°F	53.6°F	analysis
Nov 6	52.9°F	51.9°F	53.7°F	analysis
Nov 7	49.2°F	48.4°F	50.1°F	analysis
Nov 8	42.4°F	39.3°F	46.2°F	analysis
Nov 9	39.1°F	38.6°F	39.6°F	analysis
Nov 10	38.7°F	37.9°F	39.6°F	analysis
Today	38.3°F	37.5°F	39.8°F	analysis
Nov 12	36.7°F	36.2°F	37.2°F	forecast
Nov 13	36.2°F	35.9°F	36.4°F	forecast
Nov 14	35.0°F	34.7°F	35.4°F	forecast
Nov 15	34.6°F	34.4°F	34.7°F	forecast
Nov 16	34.6°F	34.6°F	34.7°F	forecast
Nov 17	34.5°F	34.4°F	34.5°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	May 16
50°F	Pre-emergent window opens	Jun 5
55°F	Crabgrass can germinate	Jun 8
60°F	Tomatoes	not reached
65°F	Warm-season grass seed	not reached

Nearby ZIP codes

Today's modelled average.

03590 38°F · 03576 39°F · 03588 40°F · 03582 40°F · 05905 39°F · 05903 39°F · 03570 40°F · 05902 39°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 03597 today?: About 38°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 9.4 km from the ZIP centre, not a reading from your yard.
Is it time for crabgrass preventer in 03597?: 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 8.

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).