Harman US

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
39°F
Patchy Fog
Patchy fog. Mostly clear, with a low around 39. Wind around 0 mph.

7-day forecast for Cedar Hills

WhenTempForecastWindPrecip
Overnight 39°F Patchy Fog 0 mph 1%
Wednesday 57°F Areas Of Fog then Light Rain Likely 2 mph SSE 64%
Wednesday Night 46°F Light Rain 0 to 3 mph SSW 89%
Thursday 59°F Areas Of Fog then Mostly Sunny 2 mph S 5%
Thursday Night 43°F Patchy Fog 1 mph ENE 20%
Friday 58°F Chance Light Rain 2 mph E 30%
Friday Night 46°F Chance Light Rain then Mostly Cloudy 1 mph E 30%
Saturday 63°F Partly Sunny then Slight Chance Light Rain 2 mph SSE 21%
Saturday Night 49°F Light Rain 1 to 7 mph S 76%
Sunday 58°F Chance Light Rain 3 mph SSW 39%
Sunday Night 44°F Slight Chance Light Rain then Mostly Cloudy 1 mph W 15%
Monday 57°F Chance Light Rain 1 mph SE 32%
Monday Night 46°F Chance Light Rain 1 mph SSE 38%
Tuesday 58°F Chance Light Rain 2 mph S 40%

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

Nearby towns & communities

All Oregon locations ›

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 Nov 4, 2026.