ZIP 96751 · Kapa‘a, HI · Nov 11, 2026

Soil temperature for ZIP code 96751

72°Faverage today, 0–4 in deep (modelled)
low 70°F · high 74°F

Modelled by NOAA GFS, not measured · run Nov 11, 12:00 UTC (7 am Eastern) · grid cell 23.3 km from the ZIP centre point

On a week ago
No change
72°F on Nov 4
5-day mean
72°F
what the verdicts use
Held 55°F last spring
All winter
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°72°72°
View as table
DayAverageLowHigh
Nov 472.3°F70.1°F74.1°Fanalysis
Nov 572.2°F69.9°F74.6°Fanalysis
Nov 672.5°F69.8°F76.8°Fanalysis
Nov 773.1°F70.3°F76.0°Fanalysis
Nov 872.3°F68.5°F75.7°Fanalysis
Nov 972.2°F69.4°F76.1°Fanalysis
Nov 1072.4°F68.9°F76.0°Fanalysis
Today72.1°F69.5°F74.2°Fanalysis
Nov 1271.7°F69.0°F74.7°Fforecast
Nov 1371.2°F68.3°F74.3°Fforecast
Nov 1470.6°F68.1°F72.3°Fforecast
Nov 1569.9°F67.6°F71.8°Fforecast
Nov 1670.3°F67.2°F73.8°Fforecast
Nov 1771.8°F68.8°F76.4°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 opensnever below
55°FCrabgrass can germinatenever below
60°FTomatoesnever below
65°FWarm-season grass seedFeb 13

Nearby ZIP codes

Today's modelled average.

96746 72°F · 96703 72°F · 96754 72°F · 96766 72°F · 96722 72°F · 96714 72°F · 96756 72°F · 96741 72°F

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

Questions

What is the soil temperature in ZIP code 96751 today?
About 72°F on average in the top 4 inches (0–10 cm), low 70°F and high 74°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 23.3 km from the ZIP centre, not a reading from your yard.
Is it time for crabgrass preventer in 96751?
Soil here stayed above 50°F all last winter, so the 50 to 55°F soil rule gives no spring window. Time pre-emergent to your local calendar.

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).