ZIP 99706 · Alaska · Nov 11, 2026

Soil temperature for ZIP code 99706

23°Faverage today, 0–4 in deep (modelled)
low 23°F · high 24°F

Modelled by NOAA GFS, not measured · run Nov 11, 12:00 UTC (7 am Eastern) · grid cell 3.5 km from the ZIP centre point

On a week ago
1° cooler
25°F on Nov 4
5-day mean
24°F
what the verdicts use
Held 55°F last spring
Jun 14
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.

10°20°30°40°50°60°50–55°F windowNov 4Nov 6Nov 8TodayNov 14Nov 1625°23°20°
View as table
DayAverageLowHigh
Nov 424.8°F24.2°F25.7°Fanalysis
Nov 525.0°F24.6°F25.5°Fanalysis
Nov 624.3°F23.5°F25.3°Fanalysis
Nov 725.1°F24.8°F25.3°Fanalysis
Nov 823.8°F23.1°F24.9°Fanalysis
Nov 922.7°F22.2°F23.1°Fanalysis
Nov 1023.0°F22.6°F23.4°Fanalysis
Today23.4°F23.0°F23.6°Fanalysis
Nov 1222.9°F22.9°F23.0°Fforecast
Nov 1321.4°F20.6°F22.6°Fforecast
Nov 1420.3°F20.0°F20.8°Fforecast
Nov 1518.6°F18.1°F19.3°Fforecast
Nov 1618.8°F18.4°F19.5°Fforecast
Nov 1720.5°F19.9°F21.2°Fforecast
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.

SoilWhat it meansHeld from (spring 2026)
40°FPeas and lettuceMay 9
50°FPre-emergent window opensJun 4
55°FCrabgrass can germinateJun 14
60°FTomatoesnot reached
65°FWarm-season grass seednot reached

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

Questions

What is the soil temperature in ZIP code 99706 today?
About 23°F on average in the top 4 inches (0–10 cm), low 23°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 3.5 km from the ZIP centre, not a reading from your yard.
Is it time for crabgrass preventer in 99706?
The spring window is closed. It opens again when the soil holds 50°F. Last spring the soil held 50°F from Jun 4 and 55°F from Jun 14.

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).