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 68514
The USDA's 2023 Plant Hardiness Zone Map puts ZIP 68514 in zone 5b (the coldest night of a typical year: -15 to -10°F).
The nearest station, Raymond, NE, is 5 miles from the ZIP's center: its last spring frost comes after April 22 in half of years and after May 3 in one year in ten.
| Station | Distance | Elevation | Last frost (median) | 1 in 10 after | First frost (median) | Hardiness zone |
|---|---|---|---|---|---|---|
| Raymond, NE2 mi E | 5 mi | 1,283 ft | April 22 | May 3 | October 16 | – |
| Lincoln (8 mi ENE), NE | 7 mi | 1,189 ft | April 27 | May 8 | October 10 | – |
| Lincoln, NELincoln Airport | 8 mi | 1,190 ft | April 24 | May 7 | October 13 | 5b |
| Ashland, NEAshland #2 | 16 mi | 1,118 ft | April 23 | May 5 | October 16 | 5b |
| Mead, NE6 mi S | 17 mi | 1,155 ft | April 25 | May 7 | October 13 | 5b |
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 Raymond
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) | May 13 | May 6 | May 1 | April 19 | October 6 | September 23 |
| 32°F | May 3 | April 27 | April 22 | April 9 | October 16 | September 29 |
| 28°F (hard freeze) | April 25 | April 18 | April 12 | March 31 | October 24 | October 9 |
| 24°F | April 19 | April 10 | April 4 | March 17 | November 1 | October 18 |
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.