Frost dates by ZIP code: The nearest NOAA stations to your ZIP, 1991-2020 normals
Enter a five-digit ZIP code. PlainClimate finds its center (Census Bureau 2024) and the five nearest NOAA stations with frost dates, and shows each station's last spring and first autumn 32°F dates with its distance and elevation.
Frost dates near ZIP 76148
The USDA's 2023 Plant Hardiness Zone Map puts ZIP 76148 in zone 8b (the coldest night of a typical year: 15 to 20°F).
The nearest station, Haltom City, TX, is 4 miles from the ZIP's center: its last spring frost comes after March 10 in half of years and after March 31 in one year in ten. By the USDA's method its plant hardiness zone is 8b.
| Station | Distance | Elevation | Last frost (median) | 1 in 10 after | First frost (median) | Hardiness zone |
|---|---|---|---|---|---|---|
| Haltom City, TXFort Worth Weather Office | 4 mi | 644 ft | March 10 | March 31 | November 20 | 8b |
| Fort Worth Meacham Field Naaf, TX | 7 mi | 705 ft | March 5 | March 25 | November 24 | – |
| Fort Worth Meacham Field, TX | 7 mi | 687 ft | March 11 | April 3 | November 19 | 8b |
| Fort Worth, TXFort Worth Alliance Airport | 8 mi | 685 ft | March 12 | April 3 | November 17 | 8a |
| Grapevine, TXGrapevine Dam | 13 mi | 585 ft | March 14 | April 3 | November 17 | 8a |
Frost comes later in spring at higher and colder stations and earlier in low, open ground: prefer a station at a similar elevation to yours. Hardiness zone in the table: the USDA's rule (the average of each year's coldest night, 1991-2020) applied to the station's own record.
Every frost threshold at Haltom City
NOAA publishes the dates for several temperatures and odds. A 30% spring date means a 3-in-10 chance of a later frost (the convention almanacs use); 50% is the median; 10% the cautious date.
| Threshold | Spring, 10% | Spring, 30% | Spring, 50% | Spring, 90% | Autumn, 50% | Autumn, 10% |
|---|---|---|---|---|---|---|
| 36°F (light frost) | April 16 | April 3 | March 26 | March 6 | November 9 | October 26 |
| 32°F | March 31 | March 18 | March 10 | February 21 | November 20 | November 4 |
| 28°F (hard freeze) | March 17 | March 6 | February 26 | February 2 | December 1 | November 13 |
| 24°F | March 8 | February 23 | February 10 | January 16 | December 18 | November 24 |
Source: NOAA NCEI 1991-2020 annual normals; ZIP centers: Census Bureau 2024 Gazetteer; USDA 2023 Plant Hardiness Zone Map, ZIP listings: PRISM Group, Oregon State University, https://prism.oregonstate.edu, accessed October 8, 2026. Autumn 10%: one year in ten has its first frost before this date.