Frost dates in Skagit County, Washington
The average last spring frost in Skagit County falls Mar 8 to Apr 16 and the average first fall frost Oct 25 to Nov 20, depending on the ZIP code (50% odds, 32°F, NOAA 1991–2020 normals). USDA hardiness zone 7a to 8b. Places: Anacortes, Big Lake, Burlington, Clear Lake, Concrete, Conway. 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 |
|---|---|---|---|---|
| 98221 | Anacortes | Mar 8 | Nov 20 | 8b |
| 98232 | Edison | Mar 24 | Nov 3 | 8b |
| 98233 | Burlington | Mar 24 | Nov 3 | 8b |
| 98235 | Clear Lake | Mar 27 | Nov 6 | 8b |
| 98237 | Concrete | Mar 28 | Nov 14 | 8a |
| 98238 | Conway | Mar 24 | Nov 3 | 8b |
| 98255 | Hamilton | Mar 27 | Nov 6 | 8b |
| 98257 | La Conner | Mar 24 | Nov 3 | 8b |
| 98263 | Lyman | Mar 27 | Nov 6 | 8b |
| 98267 | Marblemount | Apr 16 | Oct 25 | 7a |
| 98273 | Mount Vernon | Mar 24 | Nov 3 | 8b |
| 98274 | Big Lake | Mar 27 | Nov 6 | 8b |
| 98284 | Sedro-Woolley | Mar 27 | Nov 6 | 8b |
Nearby counties
Island County Whatcom County Snohomish County San Juan County Jefferson County Kitsap County
All Washington counties · Download Washington frost dates (CSV)
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