West Linn, OR Weather & Growing Conditions
Today
58°F
Patchy Fog then Light Rain Likely
Patchy fog before 10am, then rain likely. Mostly cloudy. High near 58, with temperatures falling to around 55 in the afternoon. South wind around 2 mph. Chance of precipitation is 70%.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 58°F | Patchy Fog then Light Rain Likely | 2 mph S | 71% |
| Tonight | 47°F | Light Rain | 3 to 8 mph SSW | 85% |
| Thursday | 60°F | Mostly Sunny | 3 mph SW | 9% |
| Thursday Night | 43°F | Patchy Fog | 1 mph NE | 10% |
| Friday | 59°F | Slight Chance Light Rain | 2 mph S | 23% |
| Friday Night | 46°F | Slight Chance Light Rain then Mostly Cloudy | 1 mph SE | 23% |
| Saturday | 64°F | Partly Sunny then Slight Chance Light Rain | 2 mph SSE | 17% |
| Saturday Night | 49°F | Light Rain | 2 to 10 mph S | 75% |
| Sunday | 58°F | Chance Light Rain | 1 to 9 mph SSW | 49% |
| Sunday Night | 44°F | Slight Chance Light Rain then Mostly Cloudy | 1 mph ENE | 15% |
| Monday | 57°F | Chance Light Rain | 1 mph ESE | 30% |
| Monday Night | 46°F | Chance Light Rain | 3 mph S | 34% |
| Tuesday | 59°F | Chance Light Rain | 3 mph S | 39% |
| Tuesday Night | 47°F | Chance Light Rain | 3 mph S | 42% |
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 Nov 4, 2026.