Frost dates in Lewis County, Washington
The average last spring frost in Lewis County falls Apr 5 to May 22 and the average first fall frost Oct 3 to Nov 13, depending on the ZIP code (50% odds, 32°F, NOAA 1991–2020 normals). USDA hardiness zone 7a to 8b. Places: Centralia, Chehalis, Mineral, Morton, Mossyrock, Napavine. 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 |
|---|---|---|---|---|
| 98336 | Apr 24 | Oct 15 | 8a | |
| 98355 | Mineral | May 22 | Oct 3 | 8a |
| 98356 | Morton | Apr 24 | Oct 15 | 8b |
| 98361 | Packwood | Apr 30 | Oct 8 | 7a |
| 98377 | Apr 30 | Oct 8 | 8a | |
| 98531 | Centralia | Apr 22 | Oct 27 | 8b |
| 98532 | Chehalis | Apr 22 | Oct 27 | 8a |
| 98533 | Apr 7 | Nov 13 | 8b | |
| 98538 | Apr 5 | Oct 25 | 8a | |
| 98539 | Apr 22 | Oct 27 | 8a | |
| 98542 | Apr 5 | Oct 25 | 8a | |
| 98544 | Apr 22 | Oct 27 | 8b | |
| 98564 | Mossyrock | Apr 7 | Nov 13 | 8a |
| 98565 | Napavine | Apr 5 | Oct 25 | 8a |
| 98570 | Onalaska | Apr 7 | Nov 13 | 8b |
| 98572 | Pe Ell | Apr 27 | Oct 22 | 8a |
| 98582 | Apr 7 | Nov 13 | 8b | |
| 98585 | Apr 7 | Nov 13 | 8b | |
| 98591 | Toledo | Apr 5 | Oct 25 | 8a |
| 98593 | Vader | Apr 5 | Oct 25 | 8b |
| 98596 | Winlock | Apr 5 | Oct 25 | 8a |
Nearby counties
Cowlitz County Thurston County Pierce County Wahkiakum County Clark County Mason County
All Washington counties · Download Washington frost dates (CSV)
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