Cascadia, OR Weather & Growing Conditions
This Afternoon
68°F
Mostly Sunny
Mostly sunny. High near 68, with temperatures falling to around 66 in the afternoon. West wind around 6 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 68°F | Mostly Sunny | 6 mph W | 0% |
| Tonight | 52°F | Mostly Clear | 1 to 6 mph ESE | 0% |
| Sunday | 72°F | Sunny | 2 to 6 mph N | 0% |
| Sunday Night | 53°F | Mostly Clear | 1 to 5 mph ENE | 0% |
| Monday | 67°F | Mostly Sunny | 1 to 7 mph N | 0% |
| Monday Night | 50°F | Partly Cloudy | 1 to 7 mph NNE | 0% |
| Tuesday | 61°F | Mostly Sunny | 1 to 8 mph NW | 0% |
| Tuesday Night | 45°F | Partly Cloudy | 1 to 7 mph NNE | 0% |
| Wednesday | 60°F | Mostly Sunny | 2 to 7 mph NNE | 0% |
| Wednesday Night | 45°F | Partly Cloudy | 1 to 7 mph NE | 0% |
| Thursday | 61°F | Mostly Sunny | 2 to 6 mph N | 4% |
| Thursday Night | 45°F | Mostly Cloudy then Slight Chance Light Rain | 2 to 6 mph NE | 17% |
| Friday | 56°F | Slight Chance Light Rain | 2 to 7 mph NW | 17% |
| Friday Night | 43°F | Mostly Cloudy | 7 mph ENE | 13% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Cascadia, OR
Last spring frost
Apr 29
First fall frost
Oct 13
Growing season
167 days
Hardiness zone
8b
Explore more for Cascadia, OR: full frost dates · planting calendar · Oregon frost dates
Climate data from the nearest NOAA station, Cascadia, Or (9.6 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 20, 2026.