YardThisWeek

Frost dates for ZIP 75022 (Flower Mound, 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, Grapevine Dam, TX (6 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 23
50% (the "average" last frost)Mar 14
10% (safe-side: only 1 year in 10 freezes later)Apr 3

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)Nov 2
50% (the "average" first frost)Nov 17
90% (late: most years have frozen by now)Dec 4

Light frost, freeze and hard freeze

ThresholdLast spring (50%)First fall (50%)
36°F (light frost possible on clear, calm nights)Mar 29Nov 7
32°F (freeze)Mar 14Nov 17
28°F (hard freeze)Mar 1Nov 29

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 Flower Mound

Soil temperature now

2-inch depth

69°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 Upper Trinity Groundwater Conservation District (35 mi), Berkley Ranch (40 mi), City of Alvarado (44 mi).

4-inch depth

70°F 55°F or warmer
24-hour average · latest 73°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 Mustang Special (22 mi), Upper Trinity Groundwater Conservation District (35 mi), Berkley Ranch (40 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°49°Sunny
Monday77°55°Sunny
Tuesday81°57°Sunny
Wednesday85°60°Sunny
Thursday86°62°Sunny
Friday87°65°Mostly Sunny

National Weather Service forecast, issued Oct 17, 6:52 PM CDT. Frost can form above 32°F on clear, calm nights. Full NWS forecast.

Where these numbers come from

Station: Grapevine Dam, TX (NOAA GHCN-Daily ID USC00413691), elevation 585 ft, 6.3 miles from the ZIP's center point. NOAA completeness flag: R (representative, 10+ years).

Nearby stations

StationDistanceLast frost (50%)First frost (50%)
Dallas Ft Worth AP, TX11 miMar 8Nov 24
Ft Worth Alliance AP, TX12 miMar 12Nov 17
Denton 2 SE, TX12 miMar 13Nov 20

The average last-frost dates of these stations span 6 days, a rough guide to local variation. See data sources & methods.

Questions

When is the last frost in 75022?

The average (50% chance) last spring freeze of 32°F for ZIP 75022 is March 14. For a safer planting date, use April 3, when only 1 year in 10 still sees a later freeze.

When is the first frost in 75022?

The average first fall freeze is November 17. In 1 year in 10 it comes by November 2.

What hardiness zone is 75022?

ZIP 75022 is in USDA zone 8b (15 to 20°F average coldest winter night), per the 2023 USDA Plant Hardiness Zone Map ZIP listing.

Other ZIP codes in Denton County

75007 75010 75028 75033 75036 75056 75057 75065 75067 75068 75077 76201 76203 76205 76207 76208 76209 76210 76226 76227 76247 76249 76258 76259 All Denton County ZIPs