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 95376
The USDA's 2023 Plant Hardiness Zone Map puts ZIP 95376 in zone 9b (the coldest night of a typical year: 25 to 30°F).
The nearest station, Tracy, CA, is 6 miles from the ZIP's center: its last spring frost comes after February 25 in half of years and after April 6 in one year in ten.
| Station | Distance | Elevation | Last frost (median) | 1 in 10 after | First frost (median) | Hardiness zone |
|---|---|---|---|---|---|---|
| Tracy, CATracy Carbona | 6 mi | 135 ft | February 25 | April 6 | November 26 | – |
| Tracy Pumping Plant, CA | 9 mi | 61 ft | January 19 | February 17 | December 10 | 9b |
| Stockton, CAStockton Metro Airport | 15 mi | 26 ft | February 6 | February 28 | December 1 | 9b |
| Stockton Fire Station 4, CA | 19 mi | 12 ft | February 5 | March 11 | December 8 | – |
| Livermore station, CA | 21 mi | 393 ft | February 15 | March 13 | December 2 | 9b |
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 Tracy
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 23 | April 12 | April 3 | February 28 | November 12 | October 26 |
| 32°F | April 6 | March 9 | February 25 | January 24 | November 26 | November 8 |
| 28°F (hard freeze) | February 21 | February 2 | January 18 | December 26 | December 11 | November 25 |
| 24°F | February 4 | January 11 | January 3 | December 16 | December 24 | December 5 |
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.