ZIP 99749 · Alaska · Nov 11, 2026

Soil temperature for ZIP code 99749

21°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 3.7 km from the ZIP centre point

On a week ago
7° cooler
28°F on Nov 4
5-day mean
22°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°21°23°
View as table
DayAverageLowHigh
Nov 428.3°F27.2°F29.4°Fanalysis
Nov 525.6°F24.9°F26.7°Fanalysis
Nov 624.1°F23.8°F24.5°Fanalysis
Nov 723.6°F23.5°F23.7°Fanalysis
Nov 823.4°F23.2°F23.5°Fanalysis
Nov 922.4°F22.0°F22.9°Fanalysis
Nov 1021.2°F20.8°F21.9°Fanalysis
Today21.3°F20.9°F21.7°Fanalysis
Nov 1222.0°F21.7°F22.4°Fforecast
Nov 1322.6°F22.4°F22.7°Fforecast
Nov 1422.7°F22.4°F23.1°Fforecast
Nov 1523.1°F22.9°F23.3°Fforecast
Nov 1623.5°F23.4°F23.6°Fforecast
Nov 1722.7°F22.3°F23.1°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 15
50°FPre-emergent window opensJun 15
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 99749 today?
About 21°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 3.7 km from the ZIP centre, not a reading from your yard.
Is it time for crabgrass preventer in 99749?
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).