Tualatin, OR Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Tualatin, a city in Washington County, Oregon.
This Afternoon
73°F
Sunny
Sunny, with a high near 73. West southwest wind around 2 mph.
7-day forecast for Tualatin
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 73°F | Sunny | 2 mph WSW | 0% |
| Tonight | 53°F | Partly Cloudy | 1 mph N | 0% |
| Saturday | 81°F | Patchy Fog then Partly Sunny | 0 to 3 mph N | 0% |
| Saturday Night | 55°F | Partly Cloudy | 3 mph N | 0% |
| Sunday | 85°F | Sunny | 1 to 5 mph N | 0% |
| Sunday Night | 55°F | Mostly Clear | 0 to 5 mph NNW | 0% |
| Monday | 79°F | Mostly Sunny | 0 to 6 mph N | 0% |
| Monday Night | 54°F | Partly Cloudy | 0 to 6 mph NNW | 0% |
| Tuesday | 75°F | Mostly Sunny | 0 to 5 mph N | 0% |
| Tuesday Night | 51°F | Partly Cloudy | 0 to 5 mph N | 0% |
| Wednesday | 74°F | Mostly Sunny | 0 to 3 mph N | 0% |
| Wednesday Night | 53°F | Partly Cloudy | 0 to 3 mph N | 1% |
| Thursday | 77°F | Mostly Sunny | 0 to 3 mph NNW | 6% |
| Thursday Night | 54°F | Slight Chance Light Rain | 0 to 3 mph WNW | 22% |
Forecast source: National Weather Service (api.weather.gov) for Tualatin (45.377, -122.775). Updated through the day.
Growing snapshot for Tualatin
Last spring frost
Mar 18
First fall frost
Nov 13
Growing season
243 days
Hardiness zone
9a
More local growing data for Tualatin: nearby ZIP 97062 weather · frost dates · planting calendar · Oregon frost dates
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Climate data from the nearest NOAA station, N Willamette Exp Stn, Or (5.8 mi from Tualatin). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.