I-5 weather conditions near Castle Rock, Washington

Roadnow AI Agent Live Update

7 day weather forecast

• Tonight 2025-10-11, Showers Likely. Showers likely, mainly between 4am and 5am. Mostly cloudy, with a low around 45. South southwest wind around 5 mph. Chance of precipitation is 60%.
• Sunday 2025-10-12, Showers. Showers and possibly a thunderstorm, mainly before 3pm, then a chance of showers and thunderstorms after 3pm. High near 53. South wind around 6 mph becoming calm in the afternoon. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
• Sunday Night 2025-10-12, Showers then Chance Showers. Showers, mainly before 11pm. Low around 38. Calm wind. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
• Columbus Day 2025-10-13, Chance Showers then Sunny. A 30 percent chance of showers before 11am. Mostly sunny, with a high near 60. North northeast wind 3 to 8 mph.
• Monday Night 2025-10-13, Clear. Clear, with a low around 35. North northeast wind 3 to 7 mph.
• Tuesday 2025-10-14, Sunny. Sunny, with a high near 63.
• Tuesday Night 2025-10-14, Mostly Clear. Mostly clear, with a low around 37.
• Wednesday 2025-10-15, Sunny. Sunny, with a high near 64.
• Wednesday Night 2025-10-15, Slight Chance Showers. A slight chance of showers after 11pm. Partly cloudy, with a low around 39.
• Thursday 2025-10-16, Chance Showers. A chance of showers. Partly sunny, with a high near 59.
• Thursday Night 2025-10-16, Showers Likely. Showers likely. Mostly cloudy, with a low around 45.
• Friday 2025-10-17, Showers Likely. Showers likely. Mostly cloudy, with a high near 59.
• Friday Night 2025-10-17, Chance Showers. A chance of showers. Mostly cloudy, with a low around 43.
• Saturday 2025-10-18, Chance Showers. A chance of showers. Partly sunny, with a high near 60.