What is the soil temperature in ZIP code 33436 today?

About 80°F on average in the top 4 inches (0–10 cm), low 77°F and high 85°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 11 km from the ZIP centre, not a reading from your yard.

Is it time for crabgrass preventer in 33436?

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.

ZIP 33436 · Boynton Beach, FL · Nov 11, 2026

Soil temperature for ZIP code 33436

80°Faverage today, 0–4 in deep (modelled)
low 77°F · high 85°F

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

On a week ago

No change

80°F on Nov 4

5-day mean

82°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.

View as table

Day	Average	Low	High
Nov 4	80.5°F	77.7°F	83.2°F	analysis
Nov 5	81.8°F	76.9°F	87.9°F	analysis
Nov 6	82.4°F	77.5°F	88.6°F	analysis
Nov 7	82.7°F	77.6°F	90.4°F	analysis
Nov 8	81.9°F	76.4°F	89.0°F	analysis
Nov 9	82.1°F	76.9°F	88.4°F	analysis
Nov 10	81.7°F	77.9°F	86.9°F	analysis
Today	80.4°F	76.8°F	85.4°F	analysis
Nov 12	79.1°F	74.9°F	83.8°F	forecast
Nov 13	78.6°F	74.8°F	83.9°F	forecast
Nov 14	71.3°F	65.6°F	75.9°F	forecast
Nov 15	73.6°F	69.4°F	79.3°F	forecast
Nov 16	74.4°F	74.0°F	75.2°F	forecast
Nov 17	74.0°F	72.2°F	75.4°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	never below
55°F	Crabgrass can germinate	never below
60°F	Tomatoes	Feb 7
65°F	Warm-season grass seed	Feb 10

Boca Raton, FL, 18 km away: the full city page, with the 2026 season chart, growing degree days and nearby cities →

Nearby ZIP codes

Today's modelled average.

33426 80°F · 33437 78°F · 33435 80°F · 33462 80°F · 33445 80°F · 33444 80°F · 33463 78°F · 33484 78°F

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

Questions

What is the soil temperature in ZIP code 33436 today?: About 80°F on average in the top 4 inches (0–10 cm), low 77°F and high 85°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 11 km from the ZIP centre, not a reading from your yard.
Is it time for crabgrass preventer in 33436?: 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).