Harman US

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

WhenTempForecastWindPrecip
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

Nearby towns & communities

All Oregon locations ›

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.