What is the soil temperature in ZIP code 93258 today?

About 65°F on average in the top 4 inches (0–10 cm), low 60°F and high 73°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 10.9 km from the ZIP centre, not a reading from your yard.

Is it time for crabgrass preventer in 93258?

The spring window is closed. It opens again when the soil holds 50°F. Last spring the soil held 50°F from Jan 14 and 55°F from Feb 3.

ZIP 93258 · Porterville, CA · Nov 11, 2026

Soil temperature for ZIP code 93258

65°Faverage today, 0–4 in deep (modelled)
low 60°F · high 73°F

Modelled by NOAA GFS, not measured · run Nov 11, 12:00 UTC (7 am Eastern) · grid cell 10.9 km from the ZIP centre point

On a week ago

1° warmer

64°F on Nov 4

5-day mean

65°F

what the verdicts use

Held 55°F last spring

Feb 3

crabgrass germination temperature

What the soil says today

Pre-emergentSeason over
Cool-season seedToo late in the season
Warm-season seedToo cold
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	63.7°F	60.6°F	68.8°F	analysis
Nov 5	61.8°F	57.7°F	68.2°F	analysis
Nov 6	62.3°F	57.9°F	69.4°F	analysis
Nov 7	64.3°F	59.5°F	72.6°F	analysis
Nov 8	65.1°F	61.1°F	71.2°F	analysis
Nov 9	64.1°F	59.8°F	70.7°F	analysis
Nov 10	64.2°F	59.8°F	71.0°F	analysis
Today	64.9°F	60.0°F	72.9°F	analysis
Nov 12	66.5°F	62.2°F	73.3°F	forecast
Nov 13	66.5°F	63.4°F	70.9°F	forecast
Nov 14	64.7°F	62.4°F	67.4°F	forecast
Nov 15	59.9°F	56.0°F	65.9°F	forecast
Nov 16	61.6°F	58.4°F	66.4°F	forecast
Nov 17	60.1°F	58.4°F	63.2°F	forecast

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.

Soil	What it means	Held from (spring 2026)
40°F	Peas and lettuce	never below
50°F	Pre-emergent window opens	Jan 14
55°F	Crabgrass can germinate	Feb 3
60°F	Tomatoes	Mar 12
65°F	Warm-season grass seed	Mar 18

Porterville, CA, 12 km away: the full city page, with the 2026 season chart, growing degree days and nearby cities →

Nearby ZIP codes

Today's modelled average.

93267 62°F · 93270 64°F · 93247 62°F · 93272 65°F · 93256 65°F · 93219 65°F · 93218 64°F · 93274 65°F

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

Questions

What is the soil temperature in ZIP code 93258 today?: About 65°F on average in the top 4 inches (0–10 cm), low 60°F and high 73°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 10.9 km from the ZIP centre, not a reading from your yard.
Is it time for crabgrass preventer in 93258?: The spring window is closed. It opens again when the soil holds 50°F. Last spring the soil held 50°F from Jan 14 and 55°F from Feb 3.

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).