Happy Valley, OR Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Happy Valley, a city in Clackamas County, Oregon.
Tonight
51°F
Partly Cloudy
Partly cloudy, with a low around 51. North wind around 3 mph.
7-day forecast for Happy Valley
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 51°F | Partly Cloudy | 3 mph N | 0% |
| Saturday | 77°F | Mostly Sunny | 5 mph NNW | 0% |
| Saturday Night | 52°F | Mostly Clear | 3 mph NNW | 0% |
| Sunday | 80°F | Sunny | 2 to 6 mph NNW | 0% |
| Sunday Night | 54°F | Mostly Clear | 2 to 6 mph NNW | 0% |
| Monday | 74°F | Mostly Sunny | 2 to 6 mph NNW | 0% |
| Monday Night | 53°F | Partly Cloudy | 2 to 6 mph NNW | 0% |
| Tuesday | 71°F | Mostly Sunny | 5 mph NNW | 0% |
| Tuesday Night | 50°F | Partly Cloudy | 1 to 5 mph N | 0% |
| Wednesday | 70°F | Partly Sunny | 3 mph N | 1% |
| Wednesday Night | 51°F | Mostly Cloudy | 3 mph N | 2% |
| Thursday | 69°F | Partly Sunny | 2 to 7 mph N | 10% |
| Thursday Night | 50°F | Mostly Cloudy | 2 to 7 mph NNW | 11% |
| Friday | 67°F | Partly Sunny | 2 to 7 mph NNW | 10% |
Forecast source: National Weather Service (api.weather.gov) for Happy Valley (45.436, -122.510). Updated through the day.
Growing snapshot for Happy Valley
Last spring frost
Mar 18
First fall frost
Nov 18
Growing season
244 days
Hardiness zone
8b
More local growing data for Happy Valley: nearby ZIP 97086 weather · frost dates · planting calendar · Oregon frost dates
Nearby towns & communities
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Milwaukie
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Mount Hood Villages
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Oregon City
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Climate data from the nearest NOAA station, Oregon City, Or (7.2 mi from Happy Valley). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.