ZIP 16403 · Edinboro, PA · Nov 11, 2026

Soil temperature for ZIP code 16403

46°Faverage today, 0–4 in deep (modelled)
low 42°F · high 48°F

Modelled by NOAA GFS, not measured · run Nov 11, 12:00 UTC (7 am Eastern) · grid cell 4.9 km from the ZIP centre point

On a week ago
13° cooler
58°F on Nov 4
5-day mean
45°F
what the verdicts use
Held 55°F last spring
Jun 5
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°70°50–55°F windowNov 4Nov 6Nov 8TodayNov 14Nov 1658°46°39°
View as table
DayAverageLowHigh
Nov 458.1°F56.1°F59.7°Fanalysis
Nov 558.9°F58.3°F59.5°Fanalysis
Nov 652.3°F48.3°F55.7°Fanalysis
Nov 744.7°F43.8°F45.6°Fanalysis
Nov 845.4°F44.0°F47.2°Fanalysis
Nov 946.0°F45.6°F46.3°Fanalysis
Nov 1045.3°F42.4°F48.3°Fanalysis
Today45.5°F42.5°F47.8°Fanalysis
Nov 1246.1°F45.7°F46.7°Fforecast
Nov 1341.1°F39.0°F43.5°Fforecast
Nov 1436.6°F35.7°F37.4°Fforecast
Nov 1538.5°F37.5°F39.7°Fforecast
Nov 1640.8°F39.5°F42.2°Fforecast
Nov 1739.3°F35.7°F41.9°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 30
50°FPre-emergent window opensMay 18
55°FCrabgrass can germinateJun 5
60°FTomatoesnot reached
65°FWarm-season grass seednot reached

Erie, PA, 38 km away: the full city page, with the 2026 season chart, growing degree days and nearby cities →

Nearby ZIP codes

Today's modelled average.

16440 46°F · 16427 46°F · 16433 46°F · 16444 46°F · 16412 48°F · 16360 46°F · 16438 45°F · 16327 46°F

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

Questions

What is the soil temperature in ZIP code 16403 today?
About 46°F on average in the top 4 inches (0–10 cm), low 42°F and high 48°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 4.9 km from the ZIP centre, not a reading from your yard.
Is it time for crabgrass preventer in 16403?
The spring window is closed. It opens again when the soil holds 50°F. Last spring the soil held 50°F from May 18 and 55°F from Jun 5.

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).