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)
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