I-5 weather conditions near Castle Rock, Washington

Roadnow AI Agent Live Update

7 day weather forecast

• This Afternoon 2025-10-14, Sunny. Sunny, with a high near 63. North wind around 5 mph.
• Tonight 2025-10-14, Clear then Areas Frost. Areas of frost after 4am. Otherwise, clear, with a low around 35. Light northeast wind.
• Wednesday 2025-10-15, Areas Frost then Sunny. Areas of frost before 9am. Otherwise, sunny, with a high near 65. Calm wind.
• Wednesday Night 2025-10-15, Mostly Clear. Mostly clear, with a low around 40. Calm wind.
• Thursday 2025-10-16, Mostly Sunny. Mostly sunny, with a high near 60. Calm wind.
• Thursday Night 2025-10-16, Chance Showers. A 30 percent chance of showers, mainly after 11pm. Mostly cloudy, with a low around 47.
• Friday 2025-10-17, Chance Showers then Mostly Sunny. A 30 percent chance of showers before 11am. Mostly cloudy, then gradually becoming sunny, with a high near 61.
• Friday Night 2025-10-17, Partly Cloudy. Partly cloudy, with a low around 43.
• Saturday 2025-10-18, Chance Rain. A chance of rain after 11am. Partly sunny, with a high near 63.
• Saturday Night 2025-10-18, Rain. Rain. Cloudy, with a low around 47.
• Sunday 2025-10-19, Showers. Showers. Cloudy, with a high near 55.
• Sunday Night 2025-10-19, Showers. Showers. Mostly cloudy, with a low around 43.
• Monday 2025-10-20, Chance Showers. A chance of showers. Partly sunny, with a high near 56.