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Detroit, OR Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Detroit, a city in Linn County, Oregon.

Overnight
51°F
Partly Cloudy
Partly cloudy, with a low around 51. East northeast wind around 1 mph.

7-day forecast for Detroit

WhenTempForecastWindPrecip
Overnight 51°F Partly Cloudy 1 mph ENE 0%
Saturday 83°F Sunny 0 to 3 mph SW 0%
Saturday Night 54°F Mostly Clear 0 to 3 mph ENE 0%
Sunday 87°F Sunny 0 to 3 mph N 0%
Sunday Night 55°F Mostly Clear 0 to 3 mph N 0%
Monday 81°F Sunny 0 to 5 mph NW 0%
Monday Night 52°F Partly Cloudy 0 to 5 mph NNW 0%
Tuesday 75°F Sunny 0 to 5 mph NW 0%
Tuesday Night 50°F Mostly Clear 0 to 5 mph N 0%
Wednesday 74°F Mostly Sunny 0 to 5 mph NW 0%
Wednesday Night 50°F Partly Cloudy 0 to 5 mph NNE 0%
Thursday 74°F Mostly Sunny 0 to 5 mph NW 5%
Thursday Night 50°F Mostly Cloudy 0 to 5 mph N 10%
Friday 70°F Mostly Sunny 0 to 5 mph NW 10%

Forecast source: National Weather Service (api.weather.gov) for Detroit (44.734, -122.152). Updated through the day.

Growing snapshot for Detroit

Last spring frost
May 15
First fall frost
Sep 30
Growing season
134 days
Hardiness zone
7b

More local growing data for Detroit: nearby ZIP 97350 weather · frost dates · planting calendar · Oregon frost dates

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Climate data from the nearest NOAA station, Marion Forks Fish Hatchery, Or (3.7 mi from Detroit). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.