Oregon City, OR Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Oregon City, a city in Clackamas County, Oregon.
Overnight
57°F
Areas Of Smoke
Areas of smoke. Clear. Low around 57, with temperatures rising to around 59 overnight. North wind around 7 mph.
7-day forecast for Oregon City
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 57°F | Areas Of Smoke | 7 mph N | 0% |
| Tuesday | 96°F | Areas Of Smoke | 9 mph NNE | 0% |
| Tuesday Night | 61°F | Smoke | 3 to 9 mph N | 0% |
| Wednesday | 99°F | Areas Of Smoke | 5 mph N | 0% |
| Wednesday Night | 65°F | Clear | 5 mph N | 0% |
| Thursday | 98°F | Sunny | 1 to 5 mph NNW | 0% |
| Thursday Night | 62°F | Clear | 2 to 6 mph N | 0% |
| Friday | 93°F | Sunny | 2 to 7 mph N | 0% |
| Friday Night | 60°F | Clear | 2 to 8 mph N | 0% |
| Saturday | 88°F | Sunny | 2 to 9 mph N | 0% |
| Saturday Night | 57°F | Mostly Clear | 2 to 9 mph NNW | 0% |
| Sunday | 82°F | Sunny | 2 to 8 mph N | 0% |
| Sunday Night | 55°F | Mostly Clear | 2 to 8 mph NNW | 0% |
| Monday | 82°F | Sunny | 2 to 7 mph N | 0% |
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 Aug 4, 2026.