What is the soil temperature in ZIP code 93546 today?

About 40°F on average in the top 4 inches (0–10 cm), low 36°F and high 45°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 9.6 km from the ZIP centre, not a reading from your yard.

Is it time for crabgrass preventer in 93546?

The spring window is closed. It opens again when the soil holds 50°F. Last spring the soil held 50°F from May 10 and 55°F from Jun 4.

ZIP 93546 · Mammoth Lakes, CA · Nov 11, 2026

Soil temperature for ZIP code 93546

40°Faverage today, 0–4 in deep (modelled)
low 36°F · high 45°F

Modelled by NOAA GFS, not measured · run Nov 11, 12:00 UTC (7 am Eastern) · grid cell 9.6 km from the ZIP centre point

On a week ago

1° warmer

38°F on Nov 4

5-day mean

39°F

what the verdicts use

Held 55°F last spring

Jun 4

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 lettuceToo cold

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	38.1°F	36.2°F	40.3°F	analysis
Nov 5	37.2°F	35.2°F	40.2°F	analysis
Nov 6	37.0°F	35.2°F	39.7°F	analysis
Nov 7	37.2°F	35.0°F	41.8°F	analysis
Nov 8	39.4°F	35.7°F	46.8°F	analysis
Nov 9	40.3°F	36.8°F	46.2°F	analysis
Nov 10	39.9°F	37.3°F	44.9°F	analysis
Today	39.5°F	36.4°F	44.7°F	analysis
Nov 12	39.0°F	37.0°F	41.3°F	forecast
Nov 13	37.6°F	36.1°F	39.1°F	forecast
Nov 14	36.3°F	35.6°F	37.0°F	forecast
Nov 15	35.9°F	34.4°F	38.0°F	forecast
Nov 16	36.4°F	35.2°F	39.2°F	forecast
Nov 17	36.1°F	35.5°F	37.3°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 18
50°F	Pre-emergent window opens	May 10
55°F	Crabgrass can germinate	Jun 4
60°F	Tomatoes	Jun 6
65°F	Warm-season grass seed	Jun 16

Nearby ZIP codes

Today's modelled average.

93634 45°F · 93529 32°F · 93514 53°F · 93512 49°F · 93605 54°F · 93541 50°F · 95389 47°F · 93664 58°F

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

Questions

What is the soil temperature in ZIP code 93546 today?: About 40°F on average in the top 4 inches (0–10 cm), low 36°F and high 45°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 9.6 km from the ZIP centre, not a reading from your yard.
Is it time for crabgrass preventer in 93546?: The spring window is closed. It opens again when the soil holds 50°F. Last spring the soil held 50°F from May 10 and 55°F from Jun 4.

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).