What is the soil temperature in ZIP code 12918 today?

About 40°F on average in the top 4 inches (0–10 cm), low 39°F and high 41°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 8.8 km from the ZIP centre, not a reading from your yard.

Is it time for crabgrass preventer in 12918?

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 12918 · Plattsburgh, NY · Nov 11, 2026

Soil temperature for ZIP code 12918

40°Faverage today, 0–4 in deep (modelled)
low 39°F · high 41°F

Modelled by NOAA GFS, not measured · run Nov 11, 12:00 UTC (7 am Eastern) · grid cell 8.8 km from the ZIP centre point

On a week ago

13° cooler

54°F on Nov 4

5-day mean

43°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	53.6°F	50.8°F	56.7°F	analysis
Nov 5	54.4°F	53.4°F	55.1°F	analysis
Nov 6	52.1°F	50.1°F	53.3°F	analysis
Nov 7	47.0°F	44.9°F	49.9°F	analysis
Nov 8	42.6°F	41.4°F	43.2°F	analysis
Nov 9	42.4°F	42.1°F	42.9°F	analysis
Nov 10	40.5°F	38.6°F	42.2°F	analysis
Today	40.2°F	39.3°F	41.4°F	analysis
Nov 12	36.9°F	36.1°F	38.1°F	forecast
Nov 13	35.1°F	34.7°F	35.4°F	forecast
Nov 14	34.2°F	34.1°F	34.5°F	forecast
Nov 15	33.8°F	33.7°F	34.1°F	forecast
Nov 16	33.7°F	33.7°F	33.8°F	forecast
Nov 17	33.7°F	33.6°F	33.8°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 27
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

Plattsburgh, NY, 18 km away: the full city page, with the 2026 season chart, growing degree days and nearby cities →

Nearby ZIP codes

Today's modelled average.

12929 40°F · 12962 44°F · 12978 42°F · 12981 40°F · 12985 42°F · 12901 44°F · 12972 44°F · 12903 44°F

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

Questions

What is the soil temperature in ZIP code 12918 today?: About 40°F on average in the top 4 inches (0–10 cm), low 39°F and high 41°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 8.8 km from the ZIP centre, not a reading from your yard.
Is it time for crabgrass preventer in 12918?: 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).