Frost dates in Clackamas County, Oregon
The average last spring frost in Clackamas County falls Mar 16 to May 27 and the average first fall frost Oct 9 to Nov 20, depending on the ZIP code (50% odds, 32°F, NOAA 1991–2020 normals). USDA hardiness zone 7a to 9a. Places: Beavercreek, Boring, Canby, Damascus, Estacada, Gladstone. 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 |
|---|---|---|---|---|
| 97004 | Beavercreek | Mar 16 | Nov 19 | 8b |
| 97009 | Boring | Mar 27 | Nov 18 | 8b |
| 97011 | Mount Hood Villages | Mar 27 | Nov 18 | 8a |
| 97013 | Canby | Mar 16 | Nov 14 | 8b |
| 97015 | Happy Valley | Mar 18 | Nov 18 | 9a |
| 97017 | Mar 16 | Nov 19 | 8b | |
| 97022 | Mar 27 | Nov 14 | 8b | |
| 97023 | Estacada | Mar 27 | Nov 14 | 8a |
| 97027 | Gladstone | Mar 18 | Nov 18 | 9a |
| 97028 | Government Camp | May 27 | Oct 9 | 7a |
| 97034 | Lake Oswego | Mar 18 | Nov 18 | 9a |
| 97035 | Lake Oswego | Apr 1 | Nov 6 | 9a |
| 97038 | Molalla | Mar 16 | Nov 19 | 8b |
| 97042 | Mulino | Mar 16 | Nov 19 | 8b |
| 97045 | Oregon City | Mar 18 | Nov 18 | 9a |
| 97049 | Rhododendron | May 27 | Oct 9 | 7b |
| 97055 | Sandy | Mar 27 | Nov 18 | 8b |
| 97067 | Mount Hood Villages | Mar 27 | Nov 18 | 8a |
| 97068 | West Linn | Mar 18 | Nov 18 | 9a |
| 97070 | Wilsonville | Mar 18 | Nov 13 | 8b |
| 97086 | Happy Valley | Mar 18 | Nov 18 | 8b |
| 97089 | Damascus | Mar 16 | Nov 20 | 8b |
| 97222 | Milwaukie | Mar 18 | Nov 18 | 9a |
| 97267 | Oak Grove | Mar 18 | Nov 18 | 9a |
Nearby counties
Multnomah County Washington County Marion County Hood River County Yamhill County Columbia County
All Oregon counties · Download Oregon frost dates (CSV)
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