Oregon City, OR Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Oregon City, a city in Clackamas County, Oregon.
This Afternoon
79°F
Mostly Sunny
Mostly sunny. High near 79, with temperatures falling to around 76 in the afternoon. North northwest wind around 5 mph.
7-day forecast for Oregon City
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 79°F | Mostly Sunny | 5 mph NNW | 0% |
| Tonight | 53°F | Mostly Clear | 2 mph NNE | 0% |
| Sunday | 82°F | Mostly Sunny | 5 mph N | 0% |
| Sunday Night | 55°F | Partly Cloudy | 3 mph NNW | 0% |
| Monday | 77°F | Partly Sunny | 1 to 5 mph NNW | 0% |
| Monday Night | 54°F | Partly Cloudy | 1 to 5 mph NNW | 0% |
| Tuesday | 73°F | Patchy Fog then Partly Sunny | 3 mph NNW | 0% |
| Tuesday Night | 51°F | Partly Cloudy | 3 mph NNE | 0% |
| Wednesday | 71°F | Patchy Fog then Mostly Sunny | 3 mph NNW | 0% |
| Wednesday Night | 51°F | Mostly Cloudy | 3 mph N | 2% |
| Thursday | 70°F | Partly Sunny | 2 to 6 mph N | 8% |
| Thursday Night | 51°F | Mostly Cloudy then Slight Chance Light Rain | 2 to 6 mph NNW | 15% |
| Friday | 67°F | Slight Chance Light Rain then Partly Sunny | 2 to 7 mph NNW | 15% |
| Friday Night | 49°F | Partly Cloudy | 3 to 7 mph NW | 10% |
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 20, 2026.