ZIP 97720 · Oregon · Nov 11, 2026

Soil temperature for ZIP code 97720

46°Faverage today, 0–4 in deep (modelled)
low 42°F · high 54°F

Modelled by NOAA GFS, not measured · run Nov 11, 12:00 UTC (7 am Eastern) · grid cell 12.8 km from the ZIP centre point

On a week ago
4° warmer
42°F on Nov 4
5-day mean
45°F
what the verdicts use
Held 55°F last spring
May 2
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 lettuceWarm enough

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.

30°40°50°60°50–55°F windowNov 4Nov 6Nov 8TodayNov 14Nov 1642°46°41°
View as table
DayAverageLowHigh
Nov 442.5°F37.9°F49.4°Fanalysis
Nov 545.1°F41.8°F50.7°Fanalysis
Nov 642.2°F37.3°F49.0°Fanalysis
Nov 743.7°F38.9°F51.6°Fanalysis
Nov 845.4°F41.6°F50.1°Fanalysis
Nov 944.4°F40.7°F49.8°Fanalysis
Nov 1045.3°F41.5°F51.5°Fanalysis
Today46.2°F41.6°F53.6°Fanalysis
Nov 1246.5°F42.4°F52.8°Fforecast
Nov 1345.2°F42.8°F48.0°Fforecast
Nov 1443.7°F40.9°F46.5°Fforecast
Nov 1542.8°F40.0°F48.0°Fforecast
Nov 1644.5°F43.3°F46.3°Fforecast
Nov 1741.0°F40.3°F42.0°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 lettuceFeb 27
50°FPre-emergent window opensMar 19
55°FCrabgrass can germinateMay 2
60°FTomatoesMay 5
65°FWarm-season grass seedJun 16

This ZIP code area covers about 1,167 square miles; the reading is for the model grid cell nearest its Census centre point, which can be far from where you are. Try a neighbouring ZIP if it looks off.

Nearby ZIP codes

Today's modelled average.

97738 47°F · 97904 44°F · 97732 49°F · 97873 46°F · 97917 49°F · 97722 50°F · 97820 46°F · 97911 46°F

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

Questions

What is the soil temperature in ZIP code 97720 today?
About 46°F on average in the top 4 inches (0–10 cm), low 42°F and high 54°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 12.8 km from the ZIP centre, not a reading from your yard.
Is it time for crabgrass preventer in 97720?
The spring window is closed. It opens again when the soil holds 50°F. Last spring the soil held 50°F from Mar 19 and 55°F from May 2.

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).