Marion, OR Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Marion, a community in Marion County, Oregon.
Overnight
38°F
Patchy Fog
Patchy fog. Mostly clear, with a low around 38. Southeast wind around 1 mph.
7-day forecast for Marion
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 38°F | Patchy Fog | 1 mph SE | 1% |
| Wednesday | 57°F | Patchy Fog then Light Rain | 1 to 5 mph S | 82% |
| Wednesday Night | 45°F | Light Rain | 3 to 10 mph S | 86% |
| Thursday | 59°F | Mostly Sunny | 0 to 5 mph SSW | 11% |
| Thursday Night | 40°F | Patchy Fog | 2 mph ESE | 6% |
| Friday | 59°F | Cloudy | 1 to 6 mph S | 14% |
| Friday Night | 43°F | Mostly Cloudy | 2 mph SSE | 12% |
| Saturday | 62°F | Partly Sunny then Slight Chance Light Rain | 2 mph S | 16% |
| Saturday Night | 47°F | Light Rain Likely | 2 to 16 mph S | 72% |
| Sunday | 56°F | Chance Light Rain | 0 to 12 mph SSW | 51% |
| Sunday Night | 42°F | Slight Chance Light Rain then Mostly Cloudy | 2 mph NNE | 15% |
| Monday | 56°F | Chance Light Rain | 0 to 3 mph SSE | 27% |
| Monday Night | 44°F | Chance Light Rain | 2 to 8 mph S | 31% |
| Tuesday | 58°F | Chance Light Rain | 2 to 8 mph S | 35% |
Forecast source: National Weather Service (api.weather.gov) for Marion (44.751, -122.928). Updated through the day.
Growing snapshot for Marion
Last spring frost
Mar 29
First fall frost
Nov 6
Growing season
222 days
Hardiness zone
8b
More local growing data for Marion: nearby ZIP 97392 weather · frost dates · planting calendar · Oregon frost dates
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Climate data from the nearest NOAA station, Stayton, Or (5.7 mi from Marion). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.