Troutdale, OR Weather & Growing Conditions
Overnight
51°F
Mostly Cloudy
Mostly cloudy, with a low around 51. South southwest wind around 2 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 51°F | Mostly Cloudy | 2 mph SSW | 0% |
| Saturday | 76°F | Patchy Fog then Mostly Sunny | 3 mph W | 0% |
| Saturday Night | 52°F | Mostly Clear | 2 mph WSW | 0% |
| Sunday | 79°F | Sunny | 5 mph WNW | 0% |
| Sunday Night | 54°F | Mostly Clear | 5 mph WNW | 0% |
| Monday | 74°F | Mostly Sunny | 5 mph WNW | 0% |
| Monday Night | 53°F | Partly Cloudy | 5 mph WNW | 0% |
| Tuesday | 70°F | Mostly Sunny | 3 mph NW | 0% |
| Tuesday Night | 50°F | Partly Cloudy | 3 mph NNE | 0% |
| Wednesday | 70°F | Partly Sunny | 2 mph NW | 1% |
| Wednesday Night | 51°F | Mostly Cloudy | 2 mph NNE | 2% |
| Thursday | 69°F | Partly Sunny | 5 mph NNW | 9% |
| Thursday Night | 50°F | Mostly Cloudy | 5 mph WNW | 10% |
| Friday | 67°F | Partly Sunny | 5 mph WNW | 10% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Troutdale, OR
Last spring frost
Mar 26
First fall frost
Nov 17
Growing season
237 days
Hardiness zone
9a
Explore more for Troutdale, OR: full frost dates · planting calendar · Oregon frost dates
Climate data from the nearest NOAA station, Troutdale, Or (1.8 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.