Bethany, OR Weather & Growing Conditions
Today
94°F
Areas Of Smoke
Areas of smoke. Sunny, with a high near 94. Northeast wind around 8 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 94°F | Areas Of Smoke | 8 mph NE | 0% |
| Tonight | 64°F | Smoke | 5 to 8 mph N | 0% |
| Wednesday | 97°F | Areas Of Smoke | 5 mph N | 0% |
| Wednesday Night | 65°F | Clear | 1 to 5 mph NNW | 0% |
| Thursday | 97°F | Sunny | 3 mph NNW | 0% |
| Thursday Night | 62°F | Clear | 1 to 5 mph NNW | 0% |
| Friday | 92°F | Sunny | 1 to 7 mph N | 0% |
| Friday Night | 60°F | Clear | 2 to 7 mph NNW | 0% |
| Saturday | 85°F | Sunny | 2 to 9 mph NNW | 0% |
| Saturday Night | 57°F | Mostly Clear | 3 to 9 mph NNW | 0% |
| Sunday | 80°F | Sunny | 3 to 8 mph NNW | 0% |
| Sunday Night | 55°F | Mostly Clear | 2 to 8 mph NNW | 0% |
| Monday | 80°F | Sunny | 2 to 7 mph NNW | 0% |
| Monday Night | 55°F | Mostly Clear | 2 to 7 mph NNW | 0% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Bethany, OR
Last spring frost
Feb 11
First fall frost
Dec 5
Growing season
303 days
Hardiness zone
8b
Explore more for Bethany, OR: full frost dates · planting calendar · Oregon frost dates
Climate data from the nearest NOAA station, Nature Park-Beaverton, Or (3.8 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.