Marion, OR Weather & Growing Conditions
This Afternoon
58°F
Partly Sunny
Partly sunny. High near 58, with temperatures falling to around 53 in the afternoon. Wind around 0 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 58°F | Partly Sunny | 0 mph | 4% |
| Tonight | 38°F | Patchy Fog | 2 mph SSE | 3% |
| Wednesday | 57°F | Patchy Fog then Chance Light Rain | 1 to 6 mph S | 38% |
| Wednesday Night | 47°F | Light Rain then Mostly Cloudy | 5 to 10 mph S | 91% |
| Thursday | 58°F | Partly Sunny | 0 to 7 mph S | 13% |
| Thursday Night | 43°F | Mostly Cloudy then Chance Light Rain | 0 to 5 mph SSE | 30% |
| Friday | 58°F | Chance Light Rain | 2 to 7 mph S | 30% |
| Friday Night | 44°F | Slight Chance Light Rain then Mostly Cloudy | 3 mph SSE | 16% |
| Saturday | 62°F | Partly Sunny then Slight Chance Light Rain | 3 mph S | 15% |
| Saturday Night | 49°F | Light Rain Likely | 3 to 16 mph S | 69% |
| Sunday | 58°F | Light Rain Likely | 1 to 13 mph SW | 69% |
| Sunday Night | 43°F | Patchy Fog then Slight Chance Light Rain | 2 mph NE | 16% |
| Monday | 57°F | Chance Light Rain | 5 mph SSE | 40% |
| Monday Night | 46°F | Chance Light Rain | 3 to 8 mph S | 41% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Marion, OR
Last spring frost
Mar 29
First fall frost
Nov 6
Growing season
222 days
Hardiness zone
8b
Explore more for Marion, OR: full frost dates · planting calendar · Oregon frost dates
Climate data from the nearest NOAA station, Stayton, Or (5.7 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.