ZIP 16049 · Clarion, PA · Nov 11, 2026

Soil temperature for ZIP code 16049

47°Faverage today, 0–4 in deep (modelled)
low 44°F · high 49°F

Modelled by NOAA GFS, not measured · run Nov 11, 12:00 UTC (7 am Eastern) · grid cell 12.3 km from the ZIP centre point

On a week ago
11° cooler
58°F on Nov 4
5-day mean
46°F
what the verdicts use
Held 55°F last spring
May 19
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°47°41°
View as table
DayAverageLowHigh
Nov 458.0°F55.5°F59.9°Fanalysis
Nov 559.4°F58.9°F60.2°Fanalysis
Nov 652.9°F50.3°F56.0°Fanalysis
Nov 744.5°F44.0°F46.2°Fanalysis
Nov 844.8°F42.9°F47.0°Fanalysis
Nov 946.1°F45.6°F46.6°Fanalysis
Nov 1045.8°F42.8°F49.3°Fanalysis
Today46.8°F44.2°F49.1°Fanalysis
Nov 1247.2°F45.9°F48.5°Fforecast
Nov 1341.7°F40.2°F43.8°Fforecast
Nov 1437.6°F37.0°F39.0°Fforecast
Nov 1538.3°F37.2°F39.8°Fforecast
Nov 1640.9°F39.7°F42.7°Fforecast
Nov 1741.3°F38.4°F43.0°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 lettuceMar 6
50°FPre-emergent window opensMay 17
55°FCrabgrass can germinateMay 19
60°FTomatoesJun 6
65°FWarm-season grass seednot reached

New Castle, PA, 58 km away: the full city page, with the 2026 season chart, growing degree days and nearby cities →

Nearby ZIP codes

Today's modelled average.

16036 47°F · 16054 47°F · 16022 47°F · 16050 47°F · 16213 46°F · 16041 47°F · 16030 47°F · 16048 47°F

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

Questions

What is the soil temperature in ZIP code 16049 today?
About 47°F on average in the top 4 inches (0–10 cm), low 44°F and high 49°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 12.3 km from the ZIP centre, not a reading from your yard.
Is it time for crabgrass preventer in 16049?
The spring window is closed. It opens again when the soil holds 50°F. Last spring the soil held 50°F from May 17 and 55°F from May 19.

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).