Frost dates in Multnomah County, Oregon
The average last spring frost in Multnomah County falls Feb 25 to Apr 10 and the average first fall frost Nov 2 to Dec 1, depending on the ZIP code (50% odds, 32°F, NOAA 1991–2020 normals). USDA hardiness zone 8b to 9a. Places: Fairview, Gresham, Portland, Troutdale. 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 |
|---|---|---|---|---|
| 97019 | Mar 27 | Nov 18 | 8b | |
| 97024 | Fairview | Mar 16 | Nov 20 | 9a |
| 97030 | Gresham | Mar 16 | Nov 20 | 9a |
| 97060 | Troutdale | Mar 26 | Nov 17 | 9a |
| 97080 | Gresham | Mar 16 | Nov 20 | 8b |
| 97201 | Portland | Feb 25 | Dec 1 | 8b |
| 97202 | Portland | Feb 25 | Dec 1 | 9a |
| 97203 | Portland | Mar 29 | Nov 9 | 9a |
| 97204 | Portland | Feb 25 | Dec 1 | 9a |
| 97205 | Portland | Feb 25 | Dec 1 | 8b |
| 97206 | Portland | Feb 25 | Dec 1 | 9a |
| 97208 | Portland | Feb 25 | Dec 1 | 9a |
| 97209 | Portland | Feb 25 | Dec 1 | 9a |
| 97210 | Portland | Feb 25 | Dec 1 | 8b |
| 97211 | Portland | Mar 13 | Nov 19 | 9a |
| 97212 | Portland | Feb 25 | Dec 1 | 8b |
| 97213 | Portland | Mar 13 | Nov 22 | 8b |
| 97214 | Portland | Feb 25 | Dec 1 | 9a |
| 97215 | Portland | Mar 13 | Nov 22 | 9a |
| 97216 | Portland | Mar 13 | Nov 22 | 9a |
| 97217 | Portland | Mar 29 | Nov 9 | 9a |
| 97218 | Portland | Mar 13 | Nov 19 | 9a |
| 97219 | Portland | Feb 25 | Dec 1 | 8b |
| 97220 | Portland | Mar 13 | Nov 22 | 9a |
| 97221 | Portland | Feb 25 | Dec 1 | 8b |
| 97227 | Portland | Feb 25 | Dec 1 | 9a |
| 97230 | Portland | Mar 13 | Nov 22 | 9a |
| 97231 | Portland | Apr 10 | Nov 2 | 8b |
| 97232 | Portland | Feb 25 | Dec 1 | 9a |
| 97233 | Portland | Mar 13 | Nov 22 | 9a |
| 97236 | Portland | Mar 13 | Nov 22 | 9a |
| 97239 | Portland | Feb 25 | Dec 1 | 8b |
| 97258 | Portland | Feb 25 | Dec 1 | 9a |
| 97266 | Portland | Mar 13 | Nov 22 | 9a |
Nearby counties
Clackamas County Washington County Columbia County Yamhill County Marion County Hood River County
All Oregon counties · Download Oregon frost dates (CSV)
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