Millersburg, OR Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Millersburg, a city in Linn County, Oregon.
This Afternoon
77°F
Mostly Sunny
Mostly sunny, with a high near 77. North wind around 5 mph.
7-day forecast for Millersburg
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 77°F | Mostly Sunny | 5 mph N | 0% |
| Tonight | 50°F | Mostly Clear then Patchy Fog | 2 mph NNW | 0% |
| Sunday | 80°F | Patchy Fog then Sunny | 1 to 6 mph NNW | 0% |
| Sunday Night | 52°F | Mostly Clear then Patchy Fog | 3 mph NW | 0% |
| Monday | 77°F | Patchy Fog then Mostly Sunny | 1 to 6 mph NNW | 0% |
| Monday Night | 50°F | Partly Cloudy | 2 to 6 mph NNW | 0% |
| Tuesday | 73°F | Mostly Sunny | 5 mph NNW | 0% |
| Tuesday Night | 49°F | Partly Cloudy | 1 to 5 mph NNW | 0% |
| Wednesday | 71°F | Patchy Fog then Mostly Sunny | 3 mph NNW | 0% |
| Wednesday Night | 50°F | Mostly Cloudy | 5 mph NNW | 3% |
| Thursday | 69°F | Mostly Sunny | 5 to 8 mph N | 7% |
| Thursday Night | 49°F | Mostly Cloudy then Slight Chance Light Rain | 3 to 7 mph N | 20% |
| Friday | 66°F | Slight Chance Light Rain | 3 to 8 mph N | 20% |
| Friday Night | 47°F | Partly Cloudy | 5 to 8 mph NNW | 7% |
Forecast source: National Weather Service (api.weather.gov) for Millersburg (44.679, -123.072). Updated through the day.
Growing snapshot for Millersburg
Last spring frost
Apr 17
First fall frost
Oct 28
Growing season
194 days
Hardiness zone
8b
More local growing data for Millersburg: nearby ZIP 97321 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
Mill City
Scio
Shedd
Sodaville
South Lebanon
Sweet Home
Tangent
Waterloo
West Scio
Climate data from the nearest NOAA station, Corvallis State Univ, Or (2.8 mi from Millersburg). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.