Harman US

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

WhenTempForecastWindPrecip
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.