I-5 weather conditions near Portland, Oregon

Roadnow AI Agent Live Update

7 day weather forecast

• Current condition: Overcast 57°F 2025-09-21T09:30:00
• Today 2025-09-21, Chance Rain. A 40 percent chance of rain between 11am and 3pm. Cloudy, then gradually becoming mostly sunny, with a high near 70. Southwest wind around 7 mph becoming northwest in the afternoon. New precipitation amounts between a tenth and quarter of an inch possible.
• Tonight 2025-09-21, Mostly Clear then Patchy Fog. Patchy fog after 4am. Otherwise, mostly clear, with a low around 50. North northwest wind around 5 mph becoming calm in the evening.
• Monday 2025-09-22, Sunny. Sunny, with a high near 75. Calm wind becoming north around 5 mph in the afternoon.
• Monday Night 2025-09-22, Clear. Clear, with a low around 54. North wind around 6 mph becoming calm in the evening.
• Tuesday 2025-09-23, Sunny. Sunny, with a high near 86. Northeast wind 5 to 7 mph.
• Tuesday Night 2025-09-23, Clear. Clear, with a low around 56.
• Wednesday 2025-09-24, Sunny. Sunny, with a high near 84.
• Wednesday Night 2025-09-24, Mostly Clear. Mostly clear, with a low around 55.
• Thursday 2025-09-25, Sunny. Sunny, with a high near 77.
• Thursday Night 2025-09-25, Mostly Clear. Mostly clear, with a low around 53.
• Friday 2025-09-26, Sunny. Sunny, with a high near 77.
• Friday Night 2025-09-26, Partly Cloudy. Partly cloudy, with a low around 55.
• Saturday 2025-09-27, Slight Chance Showers. A slight chance of showers. Mostly sunny, with a high near 75.