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
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| 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.