ZIP 97601 · Klamath Falls, OR · Nov 11, 2026

Soil temperature for ZIP code 97601

47°Faverage today, 0–4 in deep (modelled)
low 45°F · high 50°F

Modelled by NOAA GFS, not measured · run Nov 11, 12:00 UTC (7 am Eastern) · grid cell 15.7 km from the ZIP centre point

On a week ago
7° warmer
40°F on Nov 4
5-day mean
45°F
what the verdicts use
Held 55°F last spring
Jun 15
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 1640°47°37°
View as table
DayAverageLowHigh
Nov 440.0°F39.2°F40.7°Fanalysis
Nov 539.1°F37.9°F40.7°Fanalysis
Nov 642.2°F39.9°F46.8°Fanalysis
Nov 745.2°F43.1°F49.6°Fanalysis
Nov 845.8°F44.5°F47.4°Fanalysis
Nov 942.4°F41.5°F43.3°Fanalysis
Nov 1044.4°F42.8°F48.1°Fanalysis
Today46.8°F45.2°F49.9°Fanalysis
Nov 1246.8°F44.7°F48.8°Fforecast
Nov 1344.2°F42.4°F46.7°Fforecast
Nov 1440.5°F40.1°F41.3°Fforecast
Nov 1539.2°F39.0°F39.5°Fforecast
Nov 1638.4°F38.0°F38.8°Fforecast
Nov 1736.7°F36.4°F37.2°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 lettuceMar 17
50°FPre-emergent window opensMay 4
55°FCrabgrass can germinateJun 15
60°FTomatoesnot reached
65°FWarm-season grass seednot reached

Klamath Falls, OR, 34 km away: the full city page, with the 2026 season chart, growing degree days and nearby cities →

This ZIP code area covers about 578 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.

97624 46°F · 97626 44°F · 97522 51°F · 97634 46°F · 97627 47°F · 97625 48°F · 97524 51°F · 97520 50°F

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

Questions

What is the soil temperature in ZIP code 97601 today?
About 47°F on average in the top 4 inches (0–10 cm), low 45°F and high 50°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 15.7 km from the ZIP centre, not a reading from your yard.
Is it time for crabgrass preventer in 97601?
The spring window is closed. It opens again when the soil holds 50°F. Last spring the soil held 50°F from May 4 and 55°F from Jun 15.

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).