ZIP 93563 · Piñon Hills, CA · Nov 11, 2026

Soil temperature for ZIP code 93563

61°Faverage today, 0–4 in deep (modelled)
low 56°F · high 68°F

Modelled by NOAA GFS, not measured · run Nov 11, 12:00 UTC (7 am Eastern) · grid cell 14.7 km from the ZIP centre point

On a week ago
7° warmer
54°F on Nov 4
5-day mean
60°F
what the verdicts use
Held 55°F last spring
Mar 12
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.

40°50°60°70°80°50–55°F windowNov 4Nov 6Nov 8TodayNov 14Nov 1654°61°52°
View as table
DayAverageLowHigh
Nov 454.1°F48.9°F62.0°Fanalysis
Nov 556.3°F51.8°F63.4°Fanalysis
Nov 656.5°F52.7°F61.9°Fanalysis
Nov 757.4°F52.6°F65.2°Fanalysis
Nov 859.6°F54.6°F67.4°Fanalysis
Nov 960.9°F56.4°F67.0°Fanalysis
Nov 1061.1°F56.4°F68.3°Fanalysis
Today60.9°F56.4°F67.5°Fanalysis
Nov 1259.1°F55.5°F63.2°Fforecast
Nov 1355.9°F53.2°F59.2°Fforecast
Nov 1453.8°F52.8°F55.2°Fforecast
Nov 1553.1°F50.3°F57.9°Fforecast
Nov 1652.6°F49.2°F56.8°Fforecast
Nov 1752.2°F51.1°F53.4°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 lettuceFeb 22
50°FPre-emergent window opensJan 15
55°FCrabgrass can germinateMar 12
60°FTomatoesMar 15
65°FWarm-season grass seedMar 17

West Covina, CA, 36 km away: the full city page, with the 2026 season chart, growing degree days and nearby cities →

Nearby ZIP codes

Today's modelled average.

92397 61°F · 91702 61°F · 93553 58°F · 93544 60°F · 91759 61°F · 93543 58°F · 92372 60°F · 93550 58°F

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

Questions

What is the soil temperature in ZIP code 93563 today?
About 61°F on average in the top 4 inches (0–10 cm), low 56°F and high 68°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 14.7 km from the ZIP centre, not a reading from your yard.
Is it time for crabgrass preventer in 93563?
The spring window is closed. It opens again when the soil holds 50°F. Last spring the soil held 50°F from Jan 15 and 55°F from Mar 12.

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).