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 27858
The USDA's 2023 Plant Hardiness Zone Map puts ZIP 27858 in zone 8a (the coldest night of a typical year: 10 to 15°F).
The nearest station, Greenville, NC, is 10 miles from the ZIP's center: its last spring frost comes after March 27 in half of years and after April 10 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 |
|---|---|---|---|---|---|---|
| Greenville, NC | 10 mi | 32 ft | March 27 | April 10 | November 8 | 8a |
| Washington, NCWashington Wastewater Treatment Plant (4 mi W) | 12 mi | 10 ft | March 22 | April 7 | November 15 | 8b |
| Snow Hill, NCSnow Hill Waste Water Treament | 22 mi | 41 ft | March 26 | April 8 | November 12 | – |
| Kinston, NCKinston Agricultural Research | 23 mi | 60 ft | March 25 | April 7 | November 11 | 8b |
| Williamston, NC1 mi E | 26 mi | 20 ft | March 20 | April 5 | November 12 | 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 Greenville
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 22 | April 14 | April 8 | March 25 | October 31 | October 18 |
| 32°F | April 10 | April 2 | March 27 | March 8 | November 8 | October 26 |
| 28°F (hard freeze) | March 31 | March 20 | March 13 | February 23 | November 22 | November 4 |
| 24°F | March 18 | March 6 | February 27 | February 1 | December 7 | November 16 |
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.