What is the soil temperature in ZIP code 46161 today?

About 54°F on average in the top 4 inches (0–10 cm), low 49°F and high 58°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 46161?

The spring window is closed. It opens again when the soil holds 50°F. Last spring the soil held 50°F from Mar 30 and 55°F from Apr 13.

ZIP 46161 · Greenfield, IN · Nov 11, 2026

Soil temperature for ZIP code 46161

54°Faverage today, 0–4 in deep (modelled)
low 49°F · high 58°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

11° cooler

65°F on Nov 4

5-day mean

50°F

what the verdicts use

Held 55°F last spring

Apr 13

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	65.0°F	64.0°F	66.9°F	analysis
Nov 5	57.4°F	54.4°F	59.5°F	analysis
Nov 6	53.7°F	51.8°F	55.9°F	analysis
Nov 7	47.3°F	43.8°F	49.7°F	analysis
Nov 8	46.2°F	41.6°F	51.2°F	analysis
Nov 9	49.9°F	45.2°F	54.3°F	analysis
Nov 10	52.5°F	47.8°F	57.6°F	analysis
Today	53.6°F	49.0°F	57.8°F	analysis
Nov 12	51.1°F	48.7°F	54.8°F	forecast
Nov 13	43.1°F	40.9°F	45.2°F	forecast
Nov 14	40.9°F	37.9°F	44.1°F	forecast
Nov 15	42.3°F	38.4°F	45.2°F	forecast
Nov 16	41.2°F	37.0°F	44.5°F	forecast
Nov 17	41.7°F	37.0°F	45.9°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	Mar 2
50°F	Pre-emergent window opens	Mar 30
55°F	Crabgrass can germinate	Apr 13
60°F	Tomatoes	May 19
65°F	Warm-season grass seed	Jun 6

Greenfield, IN, 14 km away: the full city page, with the 2026 season chart, growing degree days and nearby cities →

Nearby ZIP codes

Today's modelled average.

46144 54°F · 46104 53°F · 46130 54°F · 46115 53°F · 46146 54°F · 46150 54°F · 46140 54°F · 46126 54°F

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

Questions

What is the soil temperature in ZIP code 46161 today?: About 54°F on average in the top 4 inches (0–10 cm), low 49°F and high 58°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 46161?: The spring window is closed. It opens again when the soil holds 50°F. Last spring the soil held 50°F from Mar 30 and 55°F from Apr 13.

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).