Mill City, OR Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Mill City, a city in Linn County, Oregon.
This Afternoon
72°F
Sunny
Sunny, with a high near 72. West northwest wind around 6 mph.
7-day forecast for Mill City
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 72°F | Sunny | 6 mph WNW | 0% |
| Tonight | 48°F | Mostly Clear | 3 mph N | 0% |
| Saturday | 79°F | Sunny | 1 to 6 mph N | 0% |
| Saturday Night | 51°F | Partly Cloudy | 5 mph NE | 0% |
| Sunday | 82°F | Sunny | 2 to 6 mph NNW | 0% |
| Sunday Night | 51°F | Mostly Clear | 0 to 5 mph NNE | 0% |
| Monday | 76°F | Patchy Fog then Mostly Sunny | 0 to 7 mph NNW | 0% |
| Monday Night | 48°F | Partly Cloudy then Patchy Fog | 0 to 6 mph NNE | 0% |
| Tuesday | 72°F | Patchy Fog then Mostly Sunny | 0 to 7 mph N | 1% |
| Tuesday Night | 45°F | Partly Cloudy | 0 to 6 mph NNE | 1% |
| Wednesday | 74°F | Mostly Sunny | 1 to 6 mph NNE | 0% |
| Wednesday Night | 50°F | Partly Cloudy | 1 to 5 mph NNE | 1% |
| Thursday | 77°F | Mostly Sunny | 5 mph NW | 7% |
| Thursday Night | 49°F | Slight Chance Light Rain | 1 to 5 mph S | 22% |
Forecast source: National Weather Service (api.weather.gov) for Mill City (44.752, -122.477). Updated through the day.
Growing snapshot for Mill City
Last spring frost
Mar 9
First fall frost
Dec 3
Growing season
270 days
Hardiness zone
8b
More local growing data for Mill City: nearby ZIP 97360 weather · frost dates · planting calendar · Oregon frost dates
Nearby towns & communities
Albany
Black Butte Ranch
Brownsville
Cascadia
Crabtree
Crawfordsville
Detroit
Halsey
Harrisburg
Holley
Idanha
Lacomb
Lebanon
Millersburg
Scio
Shedd
Sodaville
South Lebanon
Sweet Home
Tangent
Waterloo
West Scio
Climate data from the nearest NOAA station, Detroit Dam, Or (11.3 mi from Mill City). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 18, 2026.