ZIP 99675 · Alaska · Nov 11, 2026

Soil temperature for ZIP code 99675

22°Faverage today, 0–4 in deep (modelled)
low 21°F · high 22°F

Modelled by NOAA GFS, not measured · run Nov 11, 12:00 UTC (7 am Eastern) · grid cell 2.6 km from the ZIP centre point

On a week ago
8° cooler
30°F on Nov 4
5-day mean
24°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.

10°20°30°40°50°60°50–55°F windowNov 4Nov 6Nov 8TodayNov 14Nov 1630°22°19°
View as table
DayAverageLowHigh
Nov 430.1°F29.4°F31.2°Fanalysis
Nov 528.1°F26.9°F29.4°Fanalysis
Nov 626.5°F25.5°F27.4°Fanalysis
Nov 725.4°F23.8°F27.1°Fanalysis
Nov 825.0°F24.7°F25.7°Fanalysis
Nov 923.7°F22.0°F25.3°Fanalysis
Nov 1025.4°F23.5°F28.2°Fanalysis
Today21.8°F21.1°F22.5°Fanalysis
Nov 1221.5°F20.8°F22.1°Fforecast
Nov 1321.8°F21.1°F22.8°Fforecast
Nov 1421.2°F20.2°F22.6°Fforecast
Nov 1520.1°F19.7°F20.7°Fforecast
Nov 1619.0°F17.8°F20.6°Fforecast
Nov 1718.6°F18.1°F19.4°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 17
50°FPre-emergent window opensJun 13
55°FCrabgrass can germinatenot reached
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 99675 today?
About 22°F on average in the top 4 inches (0–10 cm), low 21°F and high 22°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 2.6 km from the ZIP centre, not a reading from your yard.
Is it time for crabgrass preventer in 99675?
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).