ZIP 99671 · Alaska · Nov 11, 2026

Soil temperature for ZIP code 99671

24°Faverage today, 0–4 in deep (modelled)
low 24°F · high 25°F

Modelled by NOAA GFS, not measured · run Nov 11, 12:00 UTC (7 am Eastern) · grid cell 12.3 km from the ZIP centre point

On a week ago
8° cooler
32°F on Nov 4
5-day mean
26°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 1632°24°24°
View as table
DayAverageLowHigh
Nov 432.1°F32.1°F32.1°Fanalysis
Nov 530.4°F30.1°F30.7°Fanalysis
Nov 629.2°F28.7°F29.8°Fanalysis
Nov 728.9°F28.7°F29.1°Fanalysis
Nov 827.8°F27.3°F28.6°Fanalysis
Nov 925.3°F25.1°F25.6°Fanalysis
Nov 1024.6°F24.0°F25.3°Fanalysis
Today24.2°F23.7°F24.9°Fanalysis
Nov 1223.0°F22.0°F23.7°Fforecast
Nov 1324.1°F23.7°F24.6°Fforecast
Nov 1422.0°F21.2°F22.4°Fforecast
Nov 1519.6°F18.3°F20.6°Fforecast
Nov 1622.2°F21.1°F23.2°Fforecast
Nov 1723.6°F23.3°F23.9°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 30
50°FPre-emergent window opensnot reached
55°FCrabgrass can germinatenot reached
60°FTomatoesnot reached
65°FWarm-season grass seednot reached

Nearby ZIP codes

Today's modelled average.

99659 24°F

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

Questions

What is the soil temperature in ZIP code 99671 today?
About 24°F on average in the top 4 inches (0–10 cm), low 24°F and high 25°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 12.3 km from the ZIP centre, not a reading from your yard.
Is it time for crabgrass preventer in 99671?
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).