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Marion, OR Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Marion, a community in Marion County, Oregon.

Tonight
51°F
Partly Cloudy then Patchy Fog
Patchy fog after 1am. Partly cloudy, with a low around 51. Wind around 0 mph.

7-day forecast for Marion

WhenTempForecastWindPrecip
Tonight 51°F Partly Cloudy then Patchy Fog 0 mph 0%
Saturday 77°F Areas Of Fog then Mostly Sunny 0 to 5 mph N 0%
Saturday Night 52°F Mostly Clear 0 to 3 mph N 0%
Sunday 80°F Areas Of Fog then Sunny 0 to 6 mph N 0%
Sunday Night 53°F Mostly Clear 0 to 6 mph NNW 0%
Monday 76°F Patchy Fog then Mostly Sunny 0 to 7 mph N 0%
Monday Night 51°F Mostly Clear 2 to 7 mph N 0%
Tuesday 73°F Mostly Sunny 2 to 6 mph N 0%
Tuesday Night 50°F Partly Cloudy 1 to 5 mph N 0%
Wednesday 71°F Patchy Fog then Mostly Sunny 1 to 5 mph N 0%
Wednesday Night 50°F Partly Cloudy 3 mph N 2%
Thursday 70°F Mostly Sunny 2 to 8 mph N 10%
Thursday Night 50°F Mostly Cloudy 3 to 7 mph N 10%
Friday 68°F Mostly Sunny 3 to 8 mph N 9%

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 Sep 19, 2026.