Troutdale, OR Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Troutdale, a city in Multnomah County, Oregon.
Today
61°F
Slight Chance Rain Showers then Mostly Cloudy
A slight chance of rain showers before noon. Mostly cloudy. High near 61, with temperatures falling to around 56 in the afternoon. East wind 0 to 9 mph. Chance of precipitation is 20%.
7-day forecast for Troutdale
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 61°F | Slight Chance Rain Showers then Mostly Cloudy | 0 to 9 mph E | 17% |
| Tonight | 40°F | Mostly Clear then Patchy Fog | 0 to 3 mph ESE | 5% |
| Wednesday | 60°F | Patchy Fog then Chance Light Rain | 0 to 3 mph SE | 43% |
| Wednesday Night | 47°F | Light Rain | 0 to 8 mph S | 95% |
| Thursday | 59°F | Chance Light Rain then Partly Sunny | 0 to 5 mph S | 50% |
| Thursday Night | 44°F | Mostly Cloudy then Chance Light Rain | 0 to 6 mph SE | 48% |
| Friday | 59°F | Chance Light Rain | 0 to 5 mph SE | 50% |
| Friday Night | 46°F | Slight Chance Light Rain | 0 to 6 mph SE | 20% |
| Saturday | 65°F | Partly Sunny then Slight Chance Light Rain | 1 to 6 mph ESE | 15% |
| Saturday Night | 49°F | Light Rain | 1 to 9 mph SSE | 75% |
| Sunday | 59°F | Light Rain | 1 to 8 mph SW | 75% |
| Sunday Night | 44°F | Slight Chance Light Rain | 1 to 5 mph E | 17% |
| Monday | 59°F | Chance Light Rain | 1 to 5 mph ESE | 44% |
| Monday Night | 46°F | Chance Light Rain | 1 to 6 mph SSE | 51% |
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 Nov 3, 2026.