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
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| 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
Nearby towns & communities
Aloha
Banks
Beaverton
Bethany
Bull Mountain
Cedar Mill
Cherry Grove
Cornelius
Dilley
Durham
Forest Grove
Garden Home-Whitford
Gaston
Hillsboro
King City
Marlene Village
Metzger
North Plains
Oak Hills
Raleigh Hills
Rockcreek
Sherwood
Tigard
Tualatin
West Haven-Sylvan
West Slope
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.