ZIP 96740 · Kalaoa, HI · Nov 11, 2026

Soil temperature for ZIP code 96740

84°Faverage today, 0–4 in deep (modelled)
low 77°F · high 91°F

Modelled by NOAA GFS, not measured · run Nov 11, 12:00 UTC (7 am Eastern) · grid cell 8.4 km from the ZIP centre point

On a week ago
1° warmer
82°F on Nov 4
5-day mean
84°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°100°50–55°F windowNov 4Nov 6Nov 8TodayNov 14Nov 1682°84°82°
View as table
DayAverageLowHigh
Nov 482.2°F76.4°F91.1°Fanalysis
Nov 584.4°F77.7°F91.7°Fanalysis
Nov 685.9°F79.3°F94.3°Fanalysis
Nov 786.1°F80.0°F93.5°Fanalysis
Nov 885.0°F79.4°F89.6°Fanalysis
Nov 982.8°F76.9°F90.0°Fanalysis
Nov 1084.1°F77.1°F92.6°Fanalysis
Today83.6°F76.6°F90.9°Fanalysis
Nov 1282.9°F75.9°F89.9°Fforecast
Nov 1381.2°F74.6°F88.8°Fforecast
Nov 1481.5°F74.8°F89.3°Fforecast
Nov 1582.5°F75.8°F88.8°Fforecast
Nov 1681.3°F74.1°F87.9°Fforecast
Nov 1782.0°F75.4°F89.4°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 seednever below

Nearby ZIP codes

Today's modelled average.

96738 71°F · 96725 68°F · 96750 68°F · 96743 71°F · 96726 68°F · 96755 71°F · 96704 68°F · 96719 71°F

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

Questions

What is the soil temperature in ZIP code 96740 today?
About 84°F on average in the top 4 inches (0–10 cm), low 77°F and high 91°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 8.4 km from the ZIP centre, not a reading from your yard.
Is it time for crabgrass preventer in 96740?
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).