Tualatin, OR Weather & Growing Conditions
Tonight
53°F
Mostly Clear
Mostly clear, with a low around 53. North northeast wind around 1 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 53°F | Mostly Clear | 1 mph NNE | 0% |
| Saturday | 79°F | Patchy Fog then Mostly Sunny | 0 to 3 mph N | 0% |
| Saturday Night | 54°F | Partly Cloudy | 3 mph N | 0% |
| Sunday | 83°F | Sunny | 1 to 5 mph N | 0% |
| Sunday Night | 54°F | Mostly Clear | 0 to 5 mph NNW | 0% |
| Monday | 77°F | Mostly Sunny | 0 to 6 mph NNW | 0% |
| Monday Night | 54°F | Partly Cloudy | 1 to 6 mph NNW | 0% |
| Tuesday | 74°F | Mostly Sunny | 1 to 5 mph NNW | 0% |
| Tuesday Night | 51°F | Partly Cloudy | 0 to 5 mph N | 0% |
| Wednesday | 73°F | Mostly Sunny | 0 to 3 mph N | 1% |
| Wednesday Night | 53°F | Partly Cloudy | 0 to 3 mph N | 1% |
| Thursday | 76°F | Mostly Sunny | 0 to 3 mph NNW | 7% |
| Thursday Night | 53°F | Slight Chance Light Rain | 3 mph WNW | 22% |
| Friday | 69°F | Mostly Sunny | 1 to 6 mph W | 14% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Tualatin, OR
Last spring frost
Mar 18
First fall frost
Nov 13
Growing season
243 days
Hardiness zone
9a
Explore more for Tualatin, OR: full frost dates · planting calendar · Oregon frost dates
Climate data from the nearest NOAA station, N Willamette Exp Stn, Or (5.8 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.