Detroit, OR Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Detroit, a city in Linn County, Oregon.
Overnight
39°F
Mostly Clear
Mostly clear, with a low around 39. South southeast wind around 1 mph.
7-day forecast for Detroit
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 39°F | Mostly Clear | 1 mph SSE | 1% |
| Wednesday | 61°F | Mostly Sunny then Chance Light Rain | 0 to 6 mph S | 51% |
| Wednesday Night | 45°F | Light Rain | 1 to 6 mph SW | 95% |
| Thursday | 58°F | Chance Light Rain then Mostly Sunny | 1 mph WSW | 28% |
| Thursday Night | 41°F | Partly Cloudy | 0 to 3 mph E | 4% |
| Friday | 62°F | Mostly Cloudy | 2 mph S | 12% |
| Friday Night | 45°F | Partly Cloudy | 3 mph SE | 12% |
| Saturday | 69°F | Mostly Sunny then Slight Chance Light Rain | 2 mph S | 15% |
| Saturday Night | 46°F | Light Rain Likely | 1 to 6 mph SSW | 73% |
| Sunday | 56°F | Light Rain Likely | 0 to 3 mph WSW | 73% |
| Sunday Night | 43°F | Slight Chance Light Rain | 0 to 5 mph ENE | 15% |
| Monday | 60°F | Slight Chance Light Rain | 2 mph SE | 21% |
| Monday Night | 45°F | Chance Light Rain | 5 mph S | 28% |
| Tuesday | 62°F | Chance Light Rain | 0 to 3 mph S | 32% |
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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Idanha
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Lebanon
Mill City
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Waterloo
West Scio
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 Nov 4, 2026.