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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.

Overnight
53°F
Patchy Fog
Patchy fog after 5am. Mostly cloudy, with a low around 53. Wind around 0 mph.

7-day forecast for Cedar Hills

WhenTempForecastWindPrecip
Overnight 53°F Patchy Fog 0 mph 0%
Saturday 80°F Patchy Fog then Mostly Sunny 2 mph N 0%
Saturday Night 54°F Mostly Clear 2 mph NNW 0%
Sunday 84°F Sunny 1 to 5 mph NNW 0%
Sunday Night 55°F Mostly Clear 1 to 5 mph NNW 0%
Monday 78°F Mostly Sunny 1 to 6 mph NNW 0%
Monday Night 54°F Partly Cloudy 0 to 6 mph NNW 0%
Tuesday 74°F Mostly Sunny 0 to 5 mph NNW 0%
Tuesday Night 51°F Partly Cloudy 0 to 5 mph NNW 0%
Wednesday 73°F Partly Sunny 2 mph N 0%
Wednesday Night 53°F Mostly Cloudy 2 mph NNW 2%
Thursday 71°F Partly Sunny 0 to 5 mph N 11%
Thursday Night 52°F Mostly Cloudy 1 to 5 mph NNW 11%
Friday 69°F Partly Sunny 1 to 6 mph NNW 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.