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 24515
The USDA's 2023 Plant Hardiness Zone Map puts ZIP 24515 in zone 7b (the coldest night of a typical year: 5 to 10°F).
The nearest station, Lynchburg, VA, is 3 miles from the ZIP's center: its last spring frost comes after April 15 in half of years and after May 3 in one year in ten. By the USDA's method its plant hardiness zone is 7b.
| Station | Distance | Elevation | Last frost (median) | 1 in 10 after | First frost (median) | Hardiness zone |
|---|---|---|---|---|---|---|
| Lynchburg, VALynchburg Regional Airport | 3 mi | 940 ft | April 15 | May 3 | October 24 | 7b |
| Lynchburg #2, VA | 4 mi | 736 ft | April 17 | May 4 | October 25 | – |
| Bedford, VA | 18 mi | 894 ft | April 7 | April 24 | October 31 | – |
| Appomattox, VA | 19 mi | 850 ft | April 7 | April 26 | November 1 | – |
| Brookneal, VA | 23 mi | 408 ft | April 17 | May 5 | October 24 | – |
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 Lynchburg
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 15 | May 5 | April 28 | April 13 | October 15 | October 4 |
| 32°F | May 3 | April 21 | April 15 | March 30 | October 24 | October 12 |
| 28°F (hard freeze) | April 15 | April 7 | April 1 | March 16 | November 3 | October 20 |
| 24°F | April 5 | March 28 | March 21 | March 3 | November 14 | October 31 |
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.