Cascadia, OR Weather & Growing Conditions
Today
98°F
Areas Of Smoke
Areas of smoke. Sunny, with a high near 98. North northeast wind 3 to 14 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 98°F | Areas Of Smoke | 3 to 14 mph NNE | 0% |
| Tonight | 62°F | Areas Of Smoke | 5 to 10 mph NNE | 0% |
| Wednesday | 100°F | Areas Of Smoke | 6 to 9 mph NW | 0% |
| Wednesday Night | 65°F | Mostly Clear | 5 to 8 mph E | 0% |
| Thursday | 99°F | Sunny | 6 to 10 mph NW | 0% |
| Thursday Night | 63°F | Clear | 3 to 9 mph WNW | 0% |
| Friday | 94°F | Sunny | 3 to 10 mph NNE | 0% |
| Friday Night | 62°F | Mostly Clear | 3 to 10 mph NNE | 0% |
| Saturday | 90°F | Sunny | 2 to 13 mph N | 0% |
| Saturday Night | 57°F | Mostly Clear | 2 to 13 mph NNE | 0% |
| Sunday | 84°F | Sunny | 2 to 13 mph NNW | 0% |
| Sunday Night | 54°F | Mostly Clear | 3 to 13 mph NNE | 0% |
| Monday | 83°F | Sunny | 3 to 12 mph N | 0% |
| Monday Night | 53°F | Mostly Clear | 3 to 12 mph NNE | 0% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Cascadia, OR
Last spring frost
Mar 2
First fall frost
Nov 30
Growing season
274 days
Hardiness zone
8b
Explore more for Cascadia, OR: full frost dates · planting calendar · Oregon frost dates
Climate data from the nearest NOAA station, Cougar Dam, Or (8.7 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.