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 76708
The USDA's 2023 Plant Hardiness Zone Map puts ZIP 76708 in zone 8b (the coldest night of a typical year: 15 to 20°F).
The nearest station, Waco, TX, is 1 miles from the ZIP's center: its last spring frost comes after March 15 in half of years and after April 6 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 |
|---|---|---|---|---|---|---|
| Waco, TXWaco Regional Airport | 1 mi | 500 ft | March 15 | April 6 | November 15 | 8b |
| Waco Dam, TX | 2 mi | 495 ft | March 9 | April 4 | November 20 | – |
| McGregor, TX | 17 mi | 723 ft | March 15 | April 4 | November 18 | – |
| Whitney, TXWhitney Dam | 19 mi | 574 ft | March 15 | April 7 | November 14 | 8b |
| Hillsboro, TX | 28 mi | 550 ft | March 21 | April 8 | November 10 | 8b |
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 Waco
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 18 | April 7 | March 31 | March 9 | November 4 | October 22 |
| 32°F | April 6 | March 24 | March 15 | February 24 | November 15 | November 1 |
| 28°F (hard freeze) | March 24 | March 10 | March 2 | February 4 | November 28 | November 7 |
| 24°F | March 10 | February 26 | February 13 | January 11 | December 14 | November 21 |
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.