ZIP 99548 · Alaska · Nov 11, 2026

Soil temperature for ZIP code 99548

31°Faverage today, 0–4 in deep (modelled)
low 30°F · high 31°F

Modelled by NOAA GFS, not measured · run Nov 11, 12:00 UTC (7 am Eastern) · grid cell 3.4 km from the ZIP centre point

On a week ago
4° cooler
35°F on Nov 4
5-day mean
32°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.

20°30°40°50°60°50–55°F windowNov 4Nov 6Nov 8TodayNov 14Nov 1635°31°29°
View as table
DayAverageLowHigh
Nov 434.6°F33.9°F35.4°Fanalysis
Nov 536.7°F36.1°F37.3°Fanalysis
Nov 634.9°F34.1°F35.5°Fanalysis
Nov 734.9°F34.5°F35.2°Fanalysis
Nov 832.7°F32.4°F32.8°Fanalysis
Nov 931.7°F30.8°F32.7°Fanalysis
Nov 1031.1°F31.0°F31.2°Fanalysis
Today30.8°F30.3°F31.4°Fanalysis
Nov 1229.5°F28.7°F30.3°Fforecast
Nov 1328.9°F27.8°F30.0°Fforecast
Nov 1427.9°F27.3°F28.3°Fforecast
Nov 1526.4°F24.9°F27.6°Fforecast
Nov 1629.0°F28.7°F29.3°Fforecast
Nov 1729.2°F29.1°F29.4°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 lettuceJun 1
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.

99565 31°F · 99564 31°F · 99648 31°F · 99695 31°F · 99549 34°F

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

Questions

What is the soil temperature in ZIP code 99548 today?
About 31°F on average in the top 4 inches (0–10 cm), low 30°F and high 31°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 3.4 km from the ZIP centre, not a reading from your yard.
Is it time for crabgrass preventer in 99548?
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).