Troutdale, OR Weather & Growing Conditions
This Afternoon
59°F
Mostly Cloudy
Mostly cloudy. High near 59, with temperatures falling to around 54 in the afternoon. East northeast wind around 2 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 59°F | Mostly Cloudy | 2 mph ENE | 5% |
| Tonight | 40°F | Mostly Clear | 6 mph ESE | 5% |
| Wednesday | 58°F | Partly Sunny then Chance Light Rain | 0 to 5 mph ESE | 42% |
| Wednesday Night | 48°F | Light Rain | 1 to 9 mph S | 95% |
| Thursday | 56°F | Chance Light Rain then Patchy Fog | 0 to 6 mph SSW | 52% |
| Thursday Night | 46°F | Mostly Cloudy then Chance Light Rain | 0 to 7 mph ENE | 46% |
| Friday | 57°F | Chance Light Rain | 0 to 6 mph SE | 49% |
| Friday Night | 48°F | Slight Chance Light Rain | 0 to 7 mph ESE | 20% |
| Saturday | 63°F | Partly Sunny then Slight Chance Light Rain | 0 to 7 mph ESE | 15% |
| Saturday Night | 50°F | Light Rain | 0 to 10 mph SSE | 76% |
| Sunday | 57°F | Light Rain | 0 to 9 mph SSW | 76% |
| Sunday Night | 46°F | Patchy Fog | 0 to 6 mph ESE | 18% |
| Monday | 57°F | Chance Light Rain | 0 to 6 mph ESE | 43% |
| Monday Night | 47°F | Chance Light Rain | 0 to 7 mph SE | 51% |
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 Nov 4, 2026.