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)
Never miss a frost: get The Dial
Weekly yard timing, plus frost and soil-temperature alerts for your ZIP code.
- Freeze alerts
- Soil-temp heads-up
- Weekly yard to-dos
Free. One weekly email plus alerts when your ZIP has a frost or a soil-temperature change worth acting on. After you submit, Kit (our email provider) sends a confirmation email: check your email and click the link to confirm. You aren't subscribed until you do. We collect only your email address and ZIP, sent to Kit to deliver The Dial. Unsubscribe anytime.