Frost dates in Island County, Washington
The average last spring frost in Island County falls Mar 1 to Mar 17 and the average first fall frost Nov 11 to Nov 28, depending on the ZIP code (50% odds, 32°F, NOAA 1991–2020 normals). USDA hardiness zone 8b. Places: Camano, Clinton, Coupeville, Freeland, Langley, Oak Harbor. 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 |
|---|---|---|---|---|
| 98236 | Clinton | Mar 9 | Nov 17 | 8b |
| 98239 | Coupeville | Mar 17 | Nov 11 | 8b |
| 98249 | Freeland | Mar 1 | Nov 28 | 8b |
| 98253 | Mar 1 | Nov 28 | 8b | |
| 98260 | Langley | Mar 9 | Nov 17 | 8b |
| 98277 | Oak Harbor | Mar 13 | Nov 14 | 8b |
| 98278 | Whidbey Island Station | Mar 13 | Nov 14 | 8b |
| 98282 | Camano | Mar 17 | Nov 11 | 8b |
Nearby counties
Jefferson County Snohomish County Skagit County Kitsap County San Juan County King 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.
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.