Troutdale, OR Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Troutdale, a city in Multnomah County, Oregon.
This Afternoon
72°F
Sunny
Sunny, with a high near 72. West northwest wind around 1 mph.
7-day forecast for Troutdale
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 72°F | Sunny | 1 mph WNW | 0% |
| Tonight | 52°F | Mostly Clear | 1 mph WNW | 0% |
| Saturday | 80°F | Patchy Fog then Mostly Sunny | 0 to 3 mph NNW | 0% |
| Saturday Night | 53°F | Partly Cloudy | 2 mph NNW | 0% |
| Sunday | 83°F | Mostly Sunny | 0 to 6 mph N | 0% |
| Sunday Night | 54°F | Mostly Clear | 0 to 6 mph NNW | 0% |
| Monday | 77°F | Mostly Sunny | 0 to 6 mph NNW | 0% |
| Monday Night | 54°F | Partly Cloudy | 1 to 6 mph NW | 0% |
| Tuesday | 73°F | Partly Sunny | 1 to 5 mph NW | 1% |
| Tuesday Night | 50°F | Partly Cloudy | 1 to 5 mph N | 1% |
| Wednesday | 74°F | Mostly Sunny | 3 mph N | 0% |
| Wednesday Night | 52°F | Partly Cloudy | 3 mph NNE | 1% |
| Thursday | 78°F | Mostly Sunny | 3 mph NE | 8% |
| Thursday Night | 54°F | Slight Chance Light Rain | 3 mph ENE | 20% |
Forecast source: National Weather Service (api.weather.gov) for Troutdale (45.539, -122.393). Updated through the day.
Growing snapshot for Troutdale
Last spring frost
Mar 26
First fall frost
Nov 17
Growing season
237 days
Hardiness zone
9a
More local growing data for Troutdale: nearby ZIP 97060 weather · frost dates · planting calendar · Oregon frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Troutdale, Or (1.8 mi from Troutdale). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.