ZIP 91351 · Santa Clarita, CA · Nov 11, 2026
Soil temperature for ZIP code 91351
low 62°F · high 74°F
Modelled by NOAA GFS, not measured · run Nov 11, 12:00 UTC (7 am Eastern) · grid cell 8.3 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 | 60.8°F | 55.5°F | 68.7°F | analysis |
| Nov 5 | 61.9°F | 57.0°F | 69.7°F | analysis |
| Nov 6 | 62.6°F | 57.9°F | 69.8°F | analysis |
| Nov 7 | 63.8°F | 59.1°F | 71.2°F | analysis |
| Nov 8 | 65.3°F | 60.3°F | 72.9°F | analysis |
| Nov 9 | 66.5°F | 61.2°F | 75.1°F | analysis |
| Nov 10 | 66.5°F | 61.8°F | 73.4°F | analysis |
| Today | 66.6°F | 62.0°F | 73.7°F | analysis |
| Nov 12 | 66.6°F | 62.0°F | 72.9°F | forecast |
| Nov 13 | 63.6°F | 60.4°F | 68.0°F | forecast |
| Nov 14 | 62.0°F | 58.4°F | 67.4°F | forecast |
| Nov 15 | 62.6°F | 58.7°F | 69.4°F | forecast |
| Nov 16 | 61.2°F | 57.2°F | 65.1°F | forecast |
| Nov 17 | 59.3°F | 57.8°F | 60.9°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 | Jan 15 |
| 55°F | Crabgrass can germinate | Feb 1 |
| 60°F | Tomatoes | Mar 13 |
| 65°F | Warm-season grass seed | Mar 16 |
Nearby ZIP codes
Today's modelled average.
91350 67°F · 91321 74°F · 91354 67°F · 91387 60°F · 91355 67°F · 91342 74°F · 91381 74°F · 91390 67°F
More: crabgrass timing in California · every California city · how accurate the model is.
Questions
- What is the soil temperature in ZIP code 91351 today?
- About 67°F on average in the top 4 inches (0–10 cm), low 62°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 8.3 km from the ZIP centre, not a reading from your yard.
- Is it time for crabgrass preventer in 91351?
- 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 Feb 1.
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).