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Cedar Hills, OR Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Cedar Hills, a community in Washington County, Oregon.

Today
80°F
Mostly Sunny
Mostly sunny, with a high near 80. North wind around 2 mph.

7-day forecast for Cedar Hills

WhenTempForecastWindPrecip
Today 80°F Mostly Sunny 2 mph N 0%
Tonight 54°F Mostly Clear 2 mph NNW 0%
Sunday 83°F Sunny 1 to 5 mph NNW 0%
Sunday Night 55°F Partly Cloudy 0 to 5 mph N 0%
Monday 79°F Mostly Sunny 0 to 5 mph N 0%
Monday Night 54°F Partly Cloudy 0 to 5 mph NNW 0%
Tuesday 75°F Partly Sunny 0 to 3 mph NNW 0%
Tuesday Night 51°F Partly Cloudy 0 to 3 mph NNW 0%
Wednesday 72°F Partly Sunny 2 mph NNW 0%
Wednesday Night 52°F Mostly Cloudy 2 mph NNW 4%
Thursday 69°F Partly Sunny 1 to 6 mph N 6%
Thursday Night 52°F Mostly Cloudy 1 to 6 mph NNW 14%
Friday 67°F Partly Sunny 1 to 6 mph NNW 14%
Friday Night 50°F Partly Cloudy 1 to 6 mph NW 9%

Forecast source: National Weather Service (api.weather.gov) for Cedar Hills (45.504, -122.807). Updated through the day.

Growing snapshot for Cedar Hills

Last spring frost
Feb 11
First fall frost
Dec 5
Growing season
303 days
Hardiness zone
9a

More local growing data for Cedar Hills: nearby ZIP 97005 weather · frost dates · planting calendar · Oregon frost dates

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Climate data from the nearest NOAA station, Nature Park-Beaverton, Or (1.8 mi from Cedar Hills). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.