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 72802
The USDA's 2023 Plant Hardiness Zone Map puts ZIP 72802 in zone 8a (the coldest night of a typical year: 10 to 15°F).
The nearest station, Russellville, AR, is 4 miles from the ZIP's center: its last spring frost comes after March 29 in half of years and after April 13 in one year in ten. By the USDA's method its plant hardiness zone is 8a.
| Station | Distance | Elevation | Last frost (median) | 1 in 10 after | First frost (median) | Hardiness zone |
|---|---|---|---|---|---|---|
| Russellville, ARRussellville Municipal Airport | 4 mi | 403 ft | March 29 | April 13 | November 2 | 8a |
| Dardanelle, AR | 8 mi | 370 ft | April 1 | April 17 | November 2 | 8a |
| Morrilton, AR | 21 mi | 340 ft | March 30 | April 15 | November 2 | 8a |
| Clarksville (6 mi NE), AR | 23 mi | 850 ft | March 25 | April 12 | November 10 | – |
| Clarksville, AR2 mi N | 25 mi | 448 ft | March 24 | April 10 | November 10 | 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 Russellville
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 24 | April 15 | April 10 | March 26 | October 25 | October 10 |
| 32°F | April 13 | April 5 | March 29 | March 10 | November 2 | October 20 |
| 28°F (hard freeze) | April 4 | March 22 | March 13 | February 25 | November 14 | October 31 |
| 24°F | March 18 | March 7 | February 28 | February 7 | November 27 | November 9 |
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.