West Linn, OR Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for West Linn, a city in Clackamas County, Oregon.
Overnight
58°F
Areas Of Smoke
Areas of smoke. Clear, with a low around 58. North wind around 7 mph.
7-day forecast for West Linn
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 58°F | Areas Of Smoke | 7 mph N | 0% |
| Tuesday | 96°F | Areas Of Smoke | 9 mph NNE | 0% |
| Tuesday Night | 62°F | Smoke | 3 to 8 mph N | 0% |
| Wednesday | 98°F | Areas Of Smoke | 5 mph N | 0% |
| Wednesday Night | 65°F | Clear | 1 to 5 mph N | 0% |
| Thursday | 98°F | Sunny | 3 mph N | 0% |
| Thursday Night | 62°F | Clear | 1 to 6 mph NNW | 0% |
| Friday | 92°F | Sunny | 1 to 7 mph N | 0% |
| Friday Night | 60°F | Clear | 2 to 8 mph N | 0% |
| Saturday | 88°F | Sunny | 2 to 9 mph N | 0% |
| Saturday Night | 57°F | Mostly Clear | 2 to 9 mph NNW | 0% |
| Sunday | 82°F | Sunny | 2 to 8 mph N | 0% |
| Sunday Night | 55°F | Mostly Clear | 1 to 8 mph NNW | 0% |
| Monday | 81°F | Sunny | 1 to 8 mph N | 0% |
Forecast source: National Weather Service (api.weather.gov) for West Linn (45.367, -122.639). Updated through the day.
Growing snapshot for West Linn
Last spring frost
Mar 18
First fall frost
Nov 18
Growing season
244 days
Hardiness zone
9a
More local growing data for West Linn: nearby ZIP 97068 weather · frost dates · planting calendar · Oregon frost dates
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Climate data from the nearest NOAA station, Oregon City, Or (3.1 mi from West Linn). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.