ZIP 96738 · Waimea, HI · Nov 11, 2026
Soil temperature for ZIP code 96738
low 63°F · high 78°F
Modelled by NOAA GFS, not measured · run Nov 11, 12:00 UTC (7 am Eastern) · grid cell 14.6 km from the ZIP centre point
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.
View as table
| Day | Average | Low | High | |
|---|---|---|---|---|
| Nov 4 | 72.0°F | 64.9°F | 78.8°F | analysis |
| Nov 5 | 70.8°F | 63.8°F | 79.6°F | analysis |
| Nov 6 | 72.2°F | 67.6°F | 78.1°F | analysis |
| Nov 7 | 71.6°F | 66.1°F | 77.1°F | analysis |
| Nov 8 | 72.1°F | 64.7°F | 81.2°F | analysis |
| Nov 9 | 72.8°F | 64.4°F | 81.7°F | analysis |
| Nov 10 | 73.9°F | 66.1°F | 81.8°F | analysis |
| Today | 70.9°F | 63.2°F | 77.7°F | analysis |
| Nov 12 | 69.3°F | 62.4°F | 76.2°F | forecast |
| Nov 13 | 68.2°F | 60.8°F | 77.9°F | forecast |
| Nov 14 | 69.8°F | 62.2°F | 77.2°F | forecast |
| Nov 15 | 70.6°F | 63.4°F | 78.1°F | forecast |
| Nov 16 | 69.4°F | 61.2°F | 77.7°F | forecast |
| Nov 17 | 68.9°F | 63.1°F | 74.1°F | forecast |
Spring 2026 threshold dates
From the 5-day mean held for 10 days or more.
| Soil | What it means | Held from (spring 2026) |
|---|---|---|
| 40°F | Peas and lettuce | never below |
| 50°F | Pre-emergent window opens | never below |
| 55°F | Crabgrass can germinate | never below |
| 60°F | Tomatoes | never below |
| 65°F | Warm-season grass seed | Jan 7 |
Nearby ZIP codes
Today's modelled average.
96743 71°F · 96740 84°F · 96725 68°F · 96755 71°F · 96750 68°F · 96719 71°F · 96727 64°F · 96776 64°F
More: crabgrass timing in Hawaii · every Hawaii city · how accurate the model is.
Questions
- What is the soil temperature in ZIP code 96738 today?
- About 71°F on average in the top 4 inches (0–10 cm), low 63°F and high 78°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 14.6 km from the ZIP centre, not a reading from your yard.
- Is it time for crabgrass preventer in 96738?
- 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).