What is the soil temperature in ZIP code 99768 today?

About 24°F on average in the top 4 inches (0–10 cm), low 24°F and high 24°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 3.3 km from the ZIP centre, not a reading from your yard.

Is it time for crabgrass preventer in 99768?

The spring window is closed. It opens again when the soil holds 50°F.

ZIP 99768 · Alaska · Nov 11, 2026

Soil temperature for ZIP code 99768

24°Faverage today, 0–4 in deep (modelled)
low 24°F · high 24°F

Modelled by NOAA GFS, not measured · run Nov 11, 12:00 UTC (7 am Eastern) · grid cell 3.3 km from the ZIP centre point

On a week ago

4° cooler

28°F on Nov 4

5-day mean

25°F

what the verdicts use

Held 55°F last spring

–

crabgrass germination temperature

What the soil says today

Pre-emergentSeason over
Cool-season seedToo late in the season
Warm-season seedToo cold
TomatoesToo cold
Peas and lettuceToo cold

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	27.8°F	27.4°F	28.3°F	analysis
Nov 5	27.0°F	26.7°F	27.3°F	analysis
Nov 6	27.0°F	26.9°F	27.2°F	analysis
Nov 7	27.3°F	27.3°F	27.4°F	analysis
Nov 8	26.5°F	25.8°F	27.1°F	analysis
Nov 9	25.1°F	24.7°F	25.3°F	analysis
Nov 10	24.1°F	24.0°F	24.2°F	analysis
Today	23.8°F	23.6°F	24.0°F	analysis
Nov 12	22.9°F	22.8°F	23.3°F	forecast
Nov 13	22.3°F	22.0°F	22.8°F	forecast
Nov 14	21.8°F	21.7°F	21.9°F	forecast
Nov 15	21.5°F	21.3°F	21.6°F	forecast
Nov 16	21.1°F	20.7°F	21.7°F	forecast
Nov 17	20.3°F	20.2°F	20.5°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	May 20
50°F	Pre-emergent window opens	Jun 14
55°F	Crabgrass can germinate	not reached
60°F	Tomatoes	not reached
65°F	Warm-season grass seed	not reached

This ZIP code area covers about 8,010 square miles; the reading is for the model grid cell nearest its Census centre point, which can be far from where you are. Try a neighbouring ZIP if it looks off.

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

Questions

What is the soil temperature in ZIP code 99768 today?: About 24°F on average in the top 4 inches (0–10 cm), low 24°F and high 24°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 3.3 km from the ZIP centre, not a reading from your yard.
Is it time for crabgrass preventer in 99768?: The spring window is closed. It opens again when the soil holds 50°F.

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).