West Linn, OR Weather & Growing Conditions
Overnight
52°F
Patchy Fog
Patchy fog. Partly cloudy, with a low around 52. North northeast wind around 1 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 52°F | Patchy Fog | 1 mph NNE | 0% |
| Saturday | 80°F | Patchy Fog then Mostly Sunny | 3 mph N | 0% |
| Saturday Night | 53°F | Mostly Clear | 2 mph N | 0% |
| Sunday | 83°F | Patchy Fog then Sunny | 1 to 5 mph N | 0% |
| Sunday Night | 55°F | Mostly Clear | 1 to 5 mph NNW | 0% |
| Monday | 77°F | Mostly Sunny | 1 to 6 mph NNW | 0% |
| Monday Night | 54°F | Partly Cloudy | 1 to 6 mph N | 0% |
| Tuesday | 74°F | Patchy Fog then Mostly Sunny | 1 to 5 mph N | 0% |
| Tuesday Night | 51°F | Partly Cloudy | 1 to 5 mph N | 0% |
| Wednesday | 72°F | Patchy Fog then Partly Sunny | 3 mph N | 1% |
| Wednesday Night | 52°F | Mostly Cloudy | 3 mph N | 1% |
| Thursday | 71°F | Partly Sunny | 1 to 6 mph N | 11% |
| Thursday Night | 52°F | Mostly Cloudy | 2 to 6 mph NNW | 11% |
| Friday | 69°F | Mostly Sunny | 2 to 6 mph NNW | 9% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for West Linn, OR
Last spring frost
Mar 18
First fall frost
Nov 18
Growing season
244 days
Hardiness zone
9a
Explore more for West Linn, OR: full frost dates · planting calendar · Oregon frost dates
Climate data from the nearest NOAA station, Oregon City, Or (3.1 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.