Cascadia, OR Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Cascadia, a community in Linn County, Oregon.
This Afternoon
60°F
Partly Sunny
Partly sunny. High near 60, with temperatures falling to around 53 in the afternoon. West northwest wind around 5 mph.
7-day forecast for Cascadia
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 60°F | Partly Sunny | 5 mph WNW | 4% |
| Tonight | 41°F | Mostly Clear | 5 mph ESE | 3% |
| Wednesday | 61°F | Mostly Sunny then Chance Light Rain | 1 to 5 mph SSW | 30% |
| Wednesday Night | 47°F | Light Rain | 3 mph SSW | 95% |
| Thursday | 59°F | Patchy Fog then Mostly Sunny | 2 mph SSW | 22% |
| Thursday Night | 44°F | Mostly Cloudy then Slight Chance Light Rain | 5 mph ESE | 16% |
| Friday | 61°F | Slight Chance Light Rain | 3 mph SSE | 23% |
| Friday Night | 46°F | Mostly Cloudy | 2 to 6 mph SE | 14% |
| Saturday | 67°F | Mostly Sunny then Slight Chance Light Rain | 2 to 6 mph SSE | 15% |
| Saturday Night | 48°F | Light Rain Likely | 2 to 7 mph SSW | 70% |
| Sunday | 58°F | Light Rain Likely | 2 to 6 mph SW | 70% |
| Sunday Night | 45°F | Slight Chance Light Rain then Mostly Cloudy | 5 mph E | 18% |
| Monday | 60°F | Chance Light Rain | 3 mph SSE | 37% |
| Monday Night | 46°F | Chance Light Rain | 2 to 7 mph S | 37% |
Forecast source: National Weather Service (api.weather.gov) for Cascadia (44.393, -122.503). Updated through the day.
Growing snapshot for Cascadia
Last spring frost
Apr 12
First fall frost
Oct 28
Growing season
197 days
Hardiness zone
8b
More local growing data for Cascadia: nearby ZIP 97345 weather · frost dates · planting calendar · Oregon frost dates
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Climate data from the nearest NOAA station, Foster Dam, Or (4.6 mi from Cascadia). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 3, 2026.