Oregon City, OR Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Oregon City, a city in Clackamas County, Oregon.
Today
79°F
Patchy Fog then Mostly Sunny
Patchy fog before 8am. Mostly sunny, with a high near 79. North wind around 3 mph.
7-day forecast for Oregon City
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 79°F | Patchy Fog then Mostly Sunny | 3 mph N | 0% |
| Tonight | 53°F | Mostly Clear | 2 mph NNE | 0% |
| Sunday | 82°F | Sunny | 1 to 5 mph N | 0% |
| Sunday Night | 54°F | Mostly Clear | 1 to 5 mph NNW | 0% |
| Monday | 76°F | Mostly Sunny | 1 to 6 mph NNW | 0% |
| Monday Night | 53°F | Partly Cloudy then Patchy Fog | 1 to 6 mph N | 0% |
| Tuesday | 73°F | Patchy Fog then Mostly Sunny | 1 to 5 mph N | 0% |
| Tuesday Night | 51°F | Partly Cloudy | 1 to 5 mph N | 0% |
| Wednesday | 72°F | Mostly Sunny | 3 mph N | 1% |
| Wednesday Night | 52°F | Mostly Cloudy | 3 mph N | 1% |
| Thursday | 70°F | Partly Sunny | 2 to 6 mph N | 10% |
| Thursday Night | 51°F | Mostly Cloudy | 2 to 6 mph NNW | 11% |
| Friday | 68°F | Mostly Sunny | 2 to 6 mph NNW | 9% |
| Friday Night | 49°F | Partly Cloudy | 6 mph N | 8% |
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
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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 Sep 19, 2026.