Mill City, OR Weather & Growing Conditions
Today
79°F
Mostly Sunny
Mostly sunny. High near 79, with temperatures falling to around 77 in the afternoon. Northwest wind 1 to 6 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 79°F | Mostly Sunny | 1 to 6 mph NW | 0% |
| Tonight | 50°F | Mostly Clear | 0 to 5 mph NNW | 0% |
| Sunday | 82°F | Sunny | 1 to 6 mph NW | 0% |
| Sunday Night | 51°F | Mostly Clear | 0 to 3 mph NNE | 0% |
| Monday | 76°F | Mostly Sunny | 0 to 7 mph N | 0% |
| Monday Night | 48°F | Partly Cloudy then Patchy Fog | 1 to 6 mph NE | 0% |
| Tuesday | 73°F | Patchy Fog then Sunny | 1 to 7 mph NNE | 0% |
| Tuesday Night | 46°F | Partly Cloudy then Patchy Fog | 0 to 6 mph NNE | 0% |
| Wednesday | 72°F | Patchy Fog then Mostly Sunny | 1 to 6 mph NNW | 0% |
| Wednesday Night | 48°F | Partly Cloudy | 0 to 5 mph NNE | 0% |
| Thursday | 71°F | Mostly Sunny | 1 to 6 mph N | 6% |
| Thursday Night | 47°F | Mostly Cloudy | 1 to 6 mph NNE | 10% |
| Friday | 68°F | Mostly Sunny | 1 to 6 mph N | 11% |
| Friday Night | 46°F | Partly Cloudy | 2 to 7 mph NE | 11% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Mill City, OR
Last spring frost
Mar 9
First fall frost
Dec 3
Growing season
270 days
Hardiness zone
8b
Explore more for Mill City, OR: full frost dates · planting calendar · Oregon frost dates
Climate data from the nearest NOAA station, Detroit Dam, Or (11.3 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.