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 76707
The USDA's 2023 Plant Hardiness Zone Map puts ZIP 76707 in zone 8b (the coldest night of a typical year: 15 to 20°F).
The nearest station, Waco Dam, TX, is 5 miles from the ZIP's center: its last spring frost comes after March 9 in half of years and after April 4 in one year in ten.
| Station | Distance | Elevation | Last frost (median) | 1 in 10 after | First frost (median) | Hardiness zone |
|---|---|---|---|---|---|---|
| Waco Dam, TX | 5 mi | 495 ft | March 9 | April 4 | November 20 | – |
| Waco, TXWaco Regional Airport | 6 mi | 500 ft | March 15 | April 6 | November 15 | 8b |
| McGregor, TX | 16 mi | 723 ft | March 15 | April 4 | November 18 | – |
| Marlin, TX | 24 mi | 407 ft | March 21 | April 10 | November 9 | – |
| Whitney, TXWhitney Dam | 25 mi | 574 ft | March 15 | April 7 | November 14 | 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 Dam
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 13 | April 1 | March 24 | March 2 | November 10 | October 26 |
| 32°F | April 4 | March 19 | March 9 | February 17 | November 20 | November 2 |
| 28°F (hard freeze) | March 21 | March 6 | February 25 | January 27 | December 3 | November 12 |
| 24°F | March 6 | February 19 | February 4 | January 4 | December 21 | November 26 |
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.