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Tualatin, OR Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Tualatin, a city in Washington County, Oregon.

Today
98°F
Areas Of Smoke
Areas of smoke. Sunny, with a high near 98. North northeast wind 6 to 9 mph.

7-day forecast for Tualatin

WhenTempForecastWindPrecip
Today 98°F Areas Of Smoke 6 to 9 mph NNE 0%
Tonight 64°F Smoke 2 to 9 mph NNW 0%
Wednesday 101°F Areas Of Smoke 5 mph N 0%
Wednesday Night 65°F Clear 0 to 5 mph NNW 0%
Thursday 101°F Sunny 0 to 3 mph NNW 0%
Thursday Night 63°F Clear 0 to 6 mph NNW 0%
Friday 96°F Sunny 0 to 7 mph N 0%
Friday Night 61°F Clear 1 to 8 mph N 0%
Saturday 89°F Sunny 1 to 9 mph N 0%
Saturday Night 58°F Mostly Clear 1 to 9 mph NNW 0%
Sunday 84°F Sunny 1 to 8 mph N 0%
Sunday Night 56°F Mostly Clear 0 to 8 mph NNW 0%
Monday 84°F Sunny 0 to 7 mph N 0%
Monday Night 56°F Mostly Clear 0 to 7 mph NNW 0%

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 Aug 4, 2026.