Frost dates in Weld County, Colorado
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The average last spring frost in Weld County falls May 2 to May 14 and the average first fall frost Sep 26 to Oct 9, depending on the ZIP code (50% odds, 32°F, NOAA 1991–2020 normals). USDA hardiness zone 5a to 5b. Places: Ault, Briggsdale, Dacono, Eaton, Erie, Evans. Pick a ZIP for 10% and 90% odds, soil temperature and the 7-day freeze forecast.
| ZIP | Place | Last spring frost | First fall frost | Zone |
|---|---|---|---|---|
| 80504 | Firestone | May 7 | Oct 5 | 5b |
| 80514 | Dacono | May 7 | Oct 5 | 5b |
| 80516 | Erie | May 7 | Oct 5 | 5b |
| 80520 | Firestone | May 7 | Oct 5 | 5b |
| 80530 | Frederick | May 7 | Oct 5 | 5b |
| 80534 | Johnstown | May 10 | Oct 1 | 5b |
| 80542 | Mead | May 7 | Oct 5 | 5b |
| 80543 | Milliken | May 2 | Oct 8 | 5b |
| 80546 | Severance | May 3 | Oct 6 | 5b |
| 80550 | Windsor | May 3 | Oct 6 | 5b |
| 80610 | Ault | May 13 | Sep 27 | 5a |
| 80611 | Briggsdale | May 12 | Sep 28 | 5a |
| 80612 | May 13 | Sep 27 | 5b | |
| 80615 | Eaton | May 2 | Oct 8 | 5a |
| 80620 | Evans | May 2 | Oct 8 | 5b |
| 80621 | Fort Lupton | May 3 | Oct 7 | 5b |
| 80622 | May 12 | Sep 28 | 5a | |
| 80623 | Gilcrest | May 2 | Oct 8 | 5a |
| 80624 | May 12 | Sep 28 | 5a | |
| 80631 | Greeley | May 2 | Oct 8 | 5a |
| 80634 | Greeley | May 2 | Oct 8 | 5b |
| 80642 | Hudson | May 3 | Oct 7 | 5b |
| 80643 | Keenesburg | May 5 | Oct 9 | 5b |
| 80644 | Kersey | May 2 | Oct 8 | 5a |
| 80645 | La Salle | May 2 | Oct 8 | 5a |
| 80646 | May 2 | Oct 8 | 5a | |
| 80648 | Nunn | May 13 | Sep 27 | 5a |
| 80649 | Orchard | May 12 | Sep 28 | 5a |
| 80650 | Pierce | May 13 | Sep 27 | 5b |
| 80651 | Platteville | May 2 | Oct 8 | 5b |
| 80652 | May 6 | Oct 6 | 5b | |
| 80729 | Grover | May 14 | Sep 26 | 5a |
| 80732 | May 14 | Sep 26 | 5a | |
| 80742 | Raymer (New Raymer) | May 9 | Oct 4 | 5a |
| 80754 | May 9 | Oct 4 | 5b |
Nearby counties
Larimer County Broomfield County Adams County Boulder County Morgan County Denver County
All Colorado counties · Download Colorado frost dates (CSV)
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