ZIP 78069 · San Antonio, TX · Nov 11, 2026

Soil temperature for ZIP code 78069

68°Faverage today, 0–4 in deep (modelled)
low 64°F · high 72°F

Modelled by NOAA GFS, not measured · run Nov 11, 12:00 UTC (7 am Eastern) · grid cell 10.2 km from the ZIP centre point

On a week ago
4° cooler
72°F on Nov 4
5-day mean
66°F
what the verdicts use
Held 55°F last spring
Feb 6
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°90°50–55°F windowNov 4Nov 6Nov 8TodayNov 14Nov 1672°68°59°
View as table
DayAverageLowHigh
Nov 471.9°F67.1°F77.0°Fanalysis
Nov 572.1°F66.5°F78.9°Fanalysis
Nov 672.9°F70.6°F75.9°Fanalysis
Nov 767.5°F65.9°F69.8°Fanalysis
Nov 865.2°F64.4°F66.9°Fanalysis
Nov 962.9°F62.4°F63.6°Fanalysis
Nov 1064.7°F62.7°F67.2°Fanalysis
Today67.5°F64.5°F72.1°Fanalysis
Nov 1268.4°F64.5°F72.3°Fforecast
Nov 1366.3°F61.3°F71.0°Fforecast
Nov 1463.0°F61.1°F65.6°Fforecast
Nov 1562.3°F61.2°F64.2°Fforecast
Nov 1660.7°F58.8°F62.5°Fforecast
Nov 1759.3°F58.2°F60.4°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 2
55°FCrabgrass can germinateFeb 6
60°FTomatoesFeb 8
65°FWarm-season grass seedFeb 11

San Antonio, TX, 31 km away: the full city page, with the 2026 season chart, growing degree days and nearby cities →

Nearby ZIP codes

Today's modelled average.

78073 67°F · 78052 68°F · 78002 68°F · 78065 67°F · 78264 67°F · 78059 68°F · 78252 68°F · 78224 67°F

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

Questions

What is the soil temperature in ZIP code 78069 today?
About 68°F on average in the top 4 inches (0–10 cm), low 64°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 10.2 km from the ZIP centre, not a reading from your yard.
Is it time for crabgrass preventer in 78069?
The spring window is closed. It opens again when the soil holds 50°F. Last spring the soil held 50°F from Feb 2 and 55°F from Feb 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).