What is the soil temperature in ZIP code 17535 today?

About 50°F on average in the top 4 inches (0–10 cm), low 46°F and high 53°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 3.4 km from the ZIP centre, not a reading from your yard.

Is it time for crabgrass preventer in 17535?

The spring window is closed. It opens again when the soil holds 50°F. Last spring the soil held 50°F from May 6 and 55°F from May 18.

ZIP 17535 · New Holland, PA · Nov 11, 2026

Soil temperature for ZIP code 17535

50°Faverage today, 0–4 in deep (modelled)
low 46°F · high 53°F

Modelled by NOAA GFS, not measured · run Nov 11, 12:00 UTC (7 am Eastern) · grid cell 3.4 km from the ZIP centre point

On a week ago

6° cooler

55°F on Nov 4

5-day mean

51°F

what the verdicts use

Held 55°F last spring

May 18

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.

View as table

Day	Average	Low	High
Nov 4	55.3°F	52.8°F	58.2°F	analysis
Nov 5	59.5°F	57.7°F	61.5°F	analysis
Nov 6	61.0°F	60.1°F	61.4°F	analysis
Nov 7	55.4°F	53.2°F	58.0°F	analysis
Nov 8	50.7°F	49.6°F	51.4°F	analysis
Nov 9	49.4°F	47.8°F	50.5°F	analysis
Nov 10	48.5°F	45.4°F	51.4°F	analysis
Today	49.7°F	46.5°F	52.6°F	analysis
Nov 12	52.0°F	51.4°F	52.5°F	forecast
Nov 13	46.9°F	44.6°F	49.8°F	forecast
Nov 14	40.8°F	39.2°F	41.8°F	forecast
Nov 15	39.1°F	36.9°F	40.7°F	forecast
Nov 16	39.6°F	36.8°F	42.0°F	forecast
Nov 17	39.8°F	37.0°F	41.7°F	forecast

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.

Soil	What it means	Held from (spring 2026)
40°F	Peas and lettuce	Mar 8
50°F	Pre-emergent window opens	May 6
55°F	Crabgrass can germinate	May 18
60°F	Tomatoes	Jun 5
65°F	Warm-season grass seed	Jun 9

Lancaster, PA, 23 km away: the full city page, with the 2026 season chart, growing degree days and nearby cities →

Nearby ZIP codes

Today's modelled average.

17527 50°F · 17529 50°F · 17562 50°F · 17534 50°F · 17572 50°F · 19310 50°F · 17557 50°F · 19365 50°F

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

Questions

What is the soil temperature in ZIP code 17535 today?: About 50°F on average in the top 4 inches (0–10 cm), low 46°F and high 53°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 3.4 km from the ZIP centre, not a reading from your yard.
Is it time for crabgrass preventer in 17535?: The spring window is closed. It opens again when the soil holds 50°F. Last spring the soil held 50°F from May 6 and 55°F from May 18.

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).