ZIP 93436 · Lompoc, CA · Nov 11, 2026

Soil temperature for ZIP code 93436

68°Faverage today, 0–4 in deep (modelled)
low 64°F · high 73°F

Modelled by NOAA GFS, not measured · run Nov 11, 12:00 UTC (7 am Eastern) · grid cell 15.9 km from the ZIP centre point

On a week ago
7° warmer
61°F on Nov 4
5-day mean
67°F
what the verdicts use
Held 55°F last spring
Jan 15
crabgrass germination temperature

What the soil says today

  • Pre-emergentSeason over
  • Cool-season seedToo late in the season
  • Warm-season seedWarm enough
  • 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 1661°68°61°
View as table
DayAverageLowHigh
Nov 461.1°F58.0°F66.1°Fanalysis
Nov 562.3°F58.6°F68.6°Fanalysis
Nov 664.4°F59.8°F71.9°Fanalysis
Nov 766.0°F61.6°F72.4°Fanalysis
Nov 866.4°F61.6°F73.8°Fanalysis
Nov 968.0°F63.9°F74.2°Fanalysis
Nov 1067.8°F63.4°F74.4°Fanalysis
Today67.8°F64.3°F72.7°Fanalysis
Nov 1265.6°F62.9°F68.4°Fforecast
Nov 1364.3°F62.7°F66.2°Fforecast
Nov 1462.4°F60.3°F64.8°Fforecast
Nov 1562.0°F59.4°F66.2°Fforecast
Nov 1660.8°F58.2°F63.8°Fforecast
Nov 1761.1°F59.3°F64.5°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 opensFeb 23
55°FCrabgrass can germinateJan 15
60°FTomatoesMar 13
65°FWarm-season grass seedMar 17

Lompoc, CA, 9 km away: the full city page, with the 2026 season chart, growing degree days and nearby cities →

Nearby ZIP codes

Today's modelled average.

93427 67°F · 93437 67°F · 93440 67°F · 93463 68°F · 93455 67°F · 93441 66°F · 93117 70°F · 93429 67°F

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

Questions

What is the soil temperature in ZIP code 93436 today?
About 68°F on average in the top 4 inches (0–10 cm), low 64°F and high 73°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 15.9 km from the ZIP centre, not a reading from your yard.
Is it time for crabgrass preventer in 93436?
The spring window is closed. It opens again when the soil holds 50°F. Last spring the soil held 50°F from Feb 23 and 55°F from Jan 15.

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).