YardThisWeek

Frost dates for ZIP 75104 (Cedar Hill, TX)

Average last spring and first fall frost dates with 10%, 50% and 90% odds, from NOAA's 1991–2020 climate normals for the nearest weather station, Joe Pool Lake, TX (4 miles away).

JanFebMarAprMayJunJulAugSepOctNovDecLight blue: spring freeze risk (90% to 10%). Tan: fall freeze risk (10% to 90%). Dark lines: 50% dates.

Last spring frost odds

Chance of a 32°F freeze after this dateDate
90% (early: most years still freeze after this)Feb 28
50% (the "average" last frost)Mar 20
10% (safe-side: only 1 year in 10 freezes later)Apr 8

Most gardeners plant frost-tender crops (tomatoes, peppers, basil) after the 50% date, and closer to the 10% date for less risk.

First fall frost odds

Chance the first 32°F freeze has happened by this dateDate
10% (early: 1 year in 10 freezes this soon)Oct 27
50% (the "average" first frost)Nov 13
90% (late: most years have frozen by now)Dec 3

Light frost, freeze and hard freeze

ThresholdLast spring (50%)First fall (50%)
36°F (light frost possible on clear, calm nights)Mar 31Nov 3
32°F (freeze)Mar 20Nov 13
28°F (hard freeze)Mar 8Nov 25

n/a means NOAA did not publish a date at that threshold for this station (usually because it rarely gets that cold).

This week in Cedar Hill

Soil temperature now

2-inch depth

66°F 55°F or warmer
24-hour average · latest 70°F, as of Oct 17, 7:00 PM CDT

30°50°55°70°90°

Estimate Not a measurement at this ZIP: distance-weighted average of City of Alvarado (19 mi), Blum ISD Farm (41 mi), Aquilla Water Supply District (47 mi).

4-inch depth

69°F 55°F or warmer
24-hour average · latest 72°F, as of Oct 17, 7:00 PM CDT

30°50°55°70°90°

Estimate Not a measurement at this ZIP: distance-weighted average of City of Alvarado (19 mi), Blum ISD Farm (41 mi), Aquilla Water Supply District (47 mi).

Fall: Texas A&M AgriLife times fall pre-emergent (for winter weeds such as annual bluegrass) to soil cooling to about 70°F for several days. The 50–55°F band is the spring trigger. Always read and follow the product label.

7-day forecast and frost risk

No frost in the 7-day forecast.

PeriodHighLowForecast
Tonight43°Mostly Clear
Sunday70°47°Sunny
Monday76°53°Sunny
Tuesday80°55°Sunny
Wednesday83°59°Sunny
Thursday86°62°Sunny
Friday87°64°Mostly Sunny

National Weather Service forecast, issued Oct 17, 8:28 PM CDT. Frost can form above 32°F on clear, calm nights. Full NWS forecast.

Where these numbers come from

Station: Joe Pool Lake, TX (NOAA GHCN-Daily ID USC00414597), elevation 591 ft, 3.9 miles from the ZIP's center point. NOAA completeness flag: R (representative, 10+ years).

Nearby stations

StationDistanceLast frost (50%)First frost (50%)
Arlington Muni AP, TX9 miMar 9Nov 21
Dallas Redbird AP, TX9 miMar 6Nov 25
Waxahachie, TX13 miMar 16Nov 16

The average last-frost dates of these stations span 14 days, a rough guide to local variation. See data sources & methods.

Questions

When is the last frost in 75104?

The average (50% chance) last spring freeze of 32°F for ZIP 75104 is March 20. For a safer planting date, use April 8, when only 1 year in 10 still sees a later freeze.

When is the first frost in 75104?

The average first fall freeze is November 13. In 1 year in 10 it comes by October 27.

What hardiness zone is 75104?

ZIP 75104 is in USDA zone 8b (15 to 20°F average coldest winter night), per the 2023 USDA Plant Hardiness Zone Map ZIP listing.

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