Oregon City, OR Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Oregon City, a city in Clackamas County, Oregon.
Tonight
39°F
Mostly Clear then Patchy Fog
Patchy fog after midnight. Mostly clear, with a low around 39. East southeast wind around 1 mph.
7-day forecast for Oregon City
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 39°F | Mostly Clear then Patchy Fog | 1 mph ESE | 2% |
| Wednesday | 57°F | Patchy Fog then Light Rain Likely | 2 mph SSE | 72% |
| Wednesday Night | 47°F | Light Rain | 3 to 9 mph SSW | 87% |
| Thursday | 59°F | Mostly Sunny | 3 mph WSW | 11% |
| Thursday Night | 42°F | Patchy Fog then Mostly Cloudy | 1 mph ESE | 9% |
| Friday | 59°F | Slight Chance Light Rain | 2 mph SSE | 23% |
| Friday Night | 45°F | Slight Chance Light Rain then Mostly Cloudy | 1 mph SE | 23% |
| Saturday | 63°F | Partly Sunny then Slight Chance Light Rain | 1 mph SE | 16% |
| Saturday Night | 48°F | Light Rain Likely | 1 to 12 mph S | 74% |
| Sunday | 57°F | Chance Light Rain | 1 to 10 mph SSW | 53% |
| Sunday Night | 43°F | Slight Chance Light Rain then Mostly Cloudy | 2 mph E | 15% |
| Monday | 56°F | Chance Light Rain | 1 mph SE | 28% |
| Monday Night | 46°F | Chance Light Rain | 1 to 5 mph SSE | 34% |
| Tuesday | 59°F | Chance Light Rain | 5 mph SSW | 38% |
Forecast source: National Weather Service (api.weather.gov) for Oregon City (45.341, -122.592). Updated through the day.
Growing snapshot for Oregon City
Last spring frost
Mar 18
First fall frost
Nov 18
Growing season
244 days
Hardiness zone
9a
More local growing data for Oregon City: nearby ZIP 97027 weather · frost dates · planting calendar · Oregon frost dates
Nearby towns & communities
Barlow
Beavercreek
Boring
Canby
Damascus
Dunthorpe
Estacada
Gladstone
Government Camp
Happy Valley
Jennings Lodge
Johnson City
Lake Oswego
Milwaukie
Molalla
Mount Hood Villages
Mulino
Oak Grove
Oatfield
Rhododendron
Rivergrove
Sandy
Stafford
West Linn
Wilsonville
Climate data from the nearest NOAA station, Oregon City, Or (2.1 mi from Oregon City). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.