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 44134
The USDA's 2023 Plant Hardiness Zone Map puts ZIP 44134 in zone 6b (the coldest night of a typical year: -5 to 0°F).
The nearest station, Cleveland, OH, is 8 miles from the ZIP's center: its last spring frost comes after April 20 in half of years and after May 5 in one year in ten. By the USDA's method its plant hardiness zone is 6b.
| Station | Distance | Elevation | Last frost (median) | 1 in 10 after | First frost (median) | Hardiness zone |
|---|---|---|---|---|---|---|
| Cleveland, OHCleveland-Hopkins International Airport | 8 mi | 763 ft | April 20 | May 5 | November 3 | 6b |
| Cleveland Burke Airport, OH | 9 mi | 584 ft | April 8 | April 20 | November 12 | 7a |
| North Ridgeville, OHElyria (3 mi E) | 18 mi | 730 ft | April 22 | May 7 | November 1 | 6b |
| Stow, OH4 mi SE | 22 mi | 1,060 ft | April 30 | May 16 | October 21 | 6b |
| Elyria, OHElyria Lorain County Airport | 25 mi | 794 ft | April 24 | May 10 | October 24 | 6b |
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 Cleveland
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 17 | May 7 | April 30 | April 17 | October 22 | October 7 |
| 32°F | May 5 | April 27 | April 20 | April 4 | November 3 | October 21 |
| 28°F (hard freeze) | April 21 | April 12 | April 5 | March 22 | November 13 | November 1 |
| 24°F | April 9 | April 1 | March 26 | March 11 | November 24 | November 8 |
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.