ZIP 92371 · Phelan, CA · Nov 11, 2026

Soil temperature for ZIP code 92371

60°Faverage today, 0–4 in deep (modelled)
low 53°F · high 72°F

Modelled by NOAA GFS, not measured · run Nov 11, 12:00 UTC (7 am Eastern) · grid cell 7.9 km from the ZIP centre point

On a week ago
2° warmer
59°F on Nov 4
5-day mean
60°F
what the verdicts use
Held 55°F last spring
Feb 26
crabgrass germination temperature

What the soil says today

  • Pre-emergentSeason over
  • Cool-season seedToo late in the season
  • Warm-season seedToo cold
  • TomatoesSoil warm enough
  • 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.

40°50°60°70°80°50–55°F windowNov 4Nov 6Nov 8TodayNov 14Nov 1659°60°58°
View as table
DayAverageLowHigh
Nov 459.0°F51.9°F68.8°Fanalysis
Nov 559.0°F51.6°F69.5°Fanalysis
Nov 659.2°F52.1°F69.1°Fanalysis
Nov 760.0°F52.8°F70.4°Fanalysis
Nov 859.8°F51.7°F71.2°Fanalysis
Nov 960.4°F52.6°F71.4°Fanalysis
Nov 1060.8°F53.2°F71.4°Fanalysis
Today60.5°F52.6°F71.6°Fanalysis
Nov 1260.8°F53.5°F70.7°Fforecast
Nov 1360.7°F55.2°F67.7°Fforecast
Nov 1457.9°F53.2°F62.7°Fforecast
Nov 1558.7°F52.4°F67.6°Fforecast
Nov 1658.1°F52.3°F65.4°Fforecast
Nov 1758.0°F53.5°F63.7°Fforecast
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.

SoilWhat it meansHeld from (spring 2026)
40°FPeas and lettucenever below
50°FPre-emergent window opensJan 16
55°FCrabgrass can germinateFeb 26
60°FTomatoesMar 12
65°FWarm-season grass seedMar 15

Victorville, CA, 25 km away: the full city page, with the 2026 season chart, growing degree days and nearby cities →

Nearby ZIP codes

Today's modelled average.

92372 60°F · 92392 60°F · 92344 60°F · 93544 60°F · 92358 62°F · 92397 61°F · 92394 61°F · 92345 61°F

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

Questions

What is the soil temperature in ZIP code 92371 today?
About 60°F on average in the top 4 inches (0–10 cm), low 53°F and high 72°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 7.9 km from the ZIP centre, not a reading from your yard.
Is it time for crabgrass preventer in 92371?
The spring window is closed. It opens again when the soil holds 50°F. Last spring the soil held 50°F from Jan 16 and 55°F from Feb 26.

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).