ZIP 99748 · Alaska · Nov 11, 2026

Soil temperature for ZIP code 99748

23°Faverage today, 0–4 in deep (modelled)
low 22°F · high 24°F

Modelled by NOAA GFS, not measured · run Nov 11, 12:00 UTC (7 am Eastern) · grid cell 7.3 km from the ZIP centre point

On a week ago
6° cooler
28°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 1628°23°19°
View as table
DayAverageLowHigh
Nov 428.2°F27.6°F29.6°Fanalysis
Nov 527.1°F26.7°F27.4°Fanalysis
Nov 627.3°F26.9°F28.0°Fanalysis
Nov 727.3°F26.4°F28.3°Fanalysis
Nov 825.3°F24.0°F26.5°Fanalysis
Nov 922.8°F22.0°F23.7°Fanalysis
Nov 1023.0°F22.6°F23.6°Fanalysis
Today22.6°F21.8°F23.6°Fanalysis
Nov 1222.6°F22.2°F22.9°Fforecast
Nov 1322.1°F21.6°F22.8°Fforecast
Nov 1422.2°F22.0°F22.4°Fforecast
Nov 1520.8°F20.5°F21.3°Fforecast
Nov 1619.2°F18.8°F20.0°Fforecast
Nov 1719.1°F18.8°F19.6°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 14
55°FCrabgrass can germinatenot reached
60°FTomatoesnot reached
65°FWarm-season grass seednot reached

Nearby ZIP codes

Today's modelled average.

99765 25°F

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

Questions

What is the soil temperature in ZIP code 99748 today?
About 23°F on average in the top 4 inches (0–10 cm), low 22°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 7.3 km from the ZIP centre, not a reading from your yard.
Is it time for crabgrass preventer in 99748?
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).