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 79423
The USDA's 2023 Plant Hardiness Zone Map puts ZIP 79423 in zone 7b (the coldest night of a typical year: 5 to 10°F).
The nearest station, Lubbock Weather Office, TX, is 6 miles from the ZIP's center: its last spring frost comes after March 24 in half of years and after April 15 in one year in ten.
| Station | Distance | Elevation | Last frost (median) | 1 in 10 after | First frost (median) | Hardiness zone |
|---|---|---|---|---|---|---|
| Lubbock Weather Office, TX | 6 mi | 3,235 ft | March 24 | April 15 | November 11 | – |
| Lubbock, TXLubbock International Airport | 15 mi | 3,259 ft | April 4 | April 22 | November 2 | 7b |
| Tahoka, TX | 19 mi | 3,120 ft | April 2 | April 17 | November 8 | 8a |
| Abernathy, TX | 27 mi | 3,368 ft | April 9 | April 25 | November 1 | 7b |
| Brownfield, TXBrownfield #2 | 29 mi | 3,300 ft | April 3 | April 20 | November 4 | 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 Lubbock Weather Office
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 23 | April 15 | April 7 | March 19 | November 2 | October 19 |
| 32°F | April 15 | April 2 | March 24 | March 4 | November 11 | October 28 |
| 28°F (hard freeze) | April 1 | March 16 | March 8 | February 20 | November 21 | November 4 |
| 24°F | March 15 | March 4 | February 26 | February 2 | December 2 | November 13 |
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.