What is the soil temperature in ZIP code 33801 today?

About 76°F on average in the top 4 inches (0–10 cm), low 72°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 10.6 km from the ZIP centre, not a reading from your yard.

Is it time for crabgrass preventer in 33801?

The spring window is closed. It opens again when the soil holds 50°F. Last spring the soil held 50°F from Feb 6 and 55°F from Jan 21.

ZIP 33801 · Crystal Lake, FL · Nov 11, 2026

Soil temperature for ZIP code 33801

76°Faverage today, 0–4 in deep (modelled)
low 72°F · high 78°F

Modelled by NOAA GFS, not measured · run Nov 11, 12:00 UTC (7 am Eastern) · grid cell 10.6 km from the ZIP centre point

On a week ago

1° cooler

76°F on Nov 4

5-day mean

74°F

what the verdicts use

Held 55°F last spring

Jan 21

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.

View as table

Day	Average	Low	High
Nov 4	76.4°F	73.0°F	79.1°F	analysis
Nov 5	77.5°F	73.2°F	81.1°F	analysis
Nov 6	77.9°F	73.7°F	80.9°F	analysis
Nov 7	75.7°F	72.1°F	77.9°F	analysis
Nov 8	72.8°F	67.4°F	76.8°F	analysis
Nov 9	73.4°F	68.2°F	77.6°F	analysis
Nov 10	73.8°F	69.2°F	77.7°F	analysis
Today	75.5°F	72.2°F	77.8°F	analysis
Nov 12	72.0°F	69.4°F	73.4°F	forecast
Nov 13	69.1°F	67.8°F	70.8°F	forecast
Nov 14	61.7°F	58.8°F	62.9°F	forecast
Nov 15	61.1°F	55.5°F	67.1°F	forecast
Nov 16	65.9°F	65.2°F	67.1°F	forecast
Nov 17	63.6°F	63.1°F	64.3°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	Feb 6
55°F	Crabgrass can germinate	Jan 21
60°F	Tomatoes	Feb 11
65°F	Warm-season grass seed	Feb 15

Lakeland, FL, 5 km away: the full city page, with the 2026 season chart, growing degree days and nearby cities →

Nearby ZIP codes

Today's modelled average.

33840 76°F · 33803 76°F · 33805 76°F · 33812 76°F · 33815 76°F · 33813 76°F · 33823 76°F · 33880 76°F

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

Questions

What is the soil temperature in ZIP code 33801 today?: About 76°F on average in the top 4 inches (0–10 cm), low 72°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 10.6 km from the ZIP centre, not a reading from your yard.
Is it time for crabgrass preventer in 33801?: The spring window is closed. It opens again when the soil holds 50°F. Last spring the soil held 50°F from Feb 6 and 55°F from Jan 21.

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).