What is the soil temperature in ZIP code 03233 today?

About 45°F on average in the top 4 inches (0–10 cm), low 44°F and high 46°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 10.1 km from the ZIP centre, not a reading from your yard.

Is it time for crabgrass preventer in 03233?

The spring window is closed. It opens again when the soil holds 50°F. Last spring the soil held 50°F from Jun 4 and 55°F from Jun 6.

ZIP 03233 · Franklin, NH · Nov 11, 2026

Soil temperature for ZIP code 03233

45°Faverage today, 0–4 in deep (modelled)
low 44°F · high 46°F

Modelled by NOAA GFS, not measured · run Nov 11, 12:00 UTC (7 am Eastern) · grid cell 10.1 km from the ZIP centre point

On a week ago

9° cooler

54°F on Nov 4

5-day mean

47°F

what the verdicts use

Held 55°F last spring

Jun 6

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	53.7°F	50.5°F	56.8°F	analysis
Nov 5	54.9°F	52.8°F	56.8°F	analysis
Nov 6	56.3°F	55.7°F	57.1°F	analysis
Nov 7	52.9°F	51.6°F	54.4°F	analysis
Nov 8	47.1°F	45.3°F	49.8°F	analysis
Nov 9	44.7°F	43.8°F	45.4°F	analysis
Nov 10	44.4°F	42.8°F	46.0°F	analysis
Today	44.6°F	43.6°F	45.6°F	analysis
Nov 12	39.9°F	39.2°F	41.3°F	forecast
Nov 13	38.5°F	38.2°F	38.8°F	forecast
Nov 14	36.7°F	36.4°F	37.3°F	forecast
Nov 15	36.2°F	36.0°F	36.2°F	forecast
Nov 16	35.7°F	35.7°F	35.8°F	forecast
Nov 17	35.6°F	35.5°F	35.7°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	Apr 28
50°F	Pre-emergent window opens	Jun 4
55°F	Crabgrass can germinate	Jun 6
60°F	Tomatoes	not reached
65°F	Warm-season grass seed	not reached

East Concord, NH, 38 km away: the full city page, with the 2026 season chart, growing degree days and nearby cities →

Nearby ZIP codes

Today's modelled average.

03287 45°F · 03257 45°F · 03260 45°F · 03284 45°F · 03216 46°F · 03751 45°F · 03230 46°F · 03268 46°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 03233 today?: About 45°F on average in the top 4 inches (0–10 cm), low 44°F and high 46°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 10.1 km from the ZIP centre, not a reading from your yard.
Is it time for crabgrass preventer in 03233?: The spring window is closed. It opens again when the soil holds 50°F. Last spring the soil held 50°F from Jun 4 and 55°F from Jun 6.

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).