I-5 weather conditions near Portland, Oregon
2026-03-18
Roadnow
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7 day weather forecast
Current condition: Mostly Cloudy 66°F 2026-03-18T14:30:00 
This Afternoon 2026-03-18, Slight Chance Rain. Detail...Tonight 2026-03-18, Mostly Cloudy then Slight Chance Rain. Detail...
Thursday 2026-03-19, Chance Rain. Detail...
Thursday Night 2026-03-19, Chance Rain. Detail...
Friday 2026-03-20, Rain Likely. Detail...Friday Night 2026-03-20, Rain Likely then Chance Rain. Detail...
- Saturday 2026-03-21, Slight Chance Rain. Detail...
Saturday Night 2026-03-21, Mostly Clear. Detail...
Sunday 2026-03-22, Mostly Sunny. Detail...
Sunday Night 2026-03-22, Mostly Cloudy. Detail...- Monday 2026-03-23, Mostly Cloudy. Detail...
Monday Night 2026-03-23, Chance Rain. Detail...
Tuesday 2026-03-24, Rain. Detail...