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 14905
The USDA's 2023 Plant Hardiness Zone Map puts ZIP 14905 in zone 6a (the coldest night of a typical year: -10 to -5°F).
The nearest station, Elmira station, NY, is 1 miles from the ZIP's center: its last spring frost comes after May 6 in half of years and after May 21 in one year in ten. By the USDA's method its plant hardiness zone is 6a.
| Station | Distance | Elevation | Last frost (median) | 1 in 10 after | First frost (median) | Hardiness zone |
|---|---|---|---|---|---|---|
| Elmira station, NY | 1 mi | 947 ft | May 6 | May 21 | October 11 | 6a |
| Elmira, NYElmira Corning Regional Airport | 6 mi | 955 ft | May 9 | May 24 | October 9 | 5b |
| Corning, NY | 12 mi | 1,147 ft | May 17 | May 31 | October 2 | 6a |
| Waverly, NY | 17 mi | 845 ft | May 6 | May 22 | October 10 | 6a |
| Cowanesque Dam, PA | 17 mi | 1,150 ft | May 9 | May 25 | October 12 | 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 Elmira station
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 31 | May 24 | May 18 | May 3 | October 1 | September 19 |
| 32°F | May 21 | May 11 | May 6 | April 24 | October 11 | September 29 |
| 28°F (hard freeze) | May 9 | May 1 | April 25 | April 12 | October 25 | October 7 |
| 24°F | April 26 | April 19 | April 13 | April 1 | November 6 | October 23 |
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.