I-405 CA weather conditions near Costa Mesa, California

Roadnow AI Agent Live Update

7 day weather forecast

• Current condition: Clear 73°F 2025-06-18T11:45:00
• Today 2025-06-18, Sunny. Sunny, with a high near 80. Southwest wind 5 to 10 mph.
• Tonight 2025-06-18, Patchy Fog. Patchy fog after 11pm. Otherwise, increasing clouds, with a low around 62. South wind around 5 mph.
• Juneteenth 2025-06-19, Decreasing Clouds. Mostly cloudy, then gradually becoming sunny, with a high near 78. South wind 5 to 10 mph.
• Thursday Night 2025-06-19, Increasing Clouds. Increasing clouds, with a low around 63. Southwest wind around 5 mph becoming southeast after midnight.
• Friday 2025-06-20, Decreasing Clouds. Mostly cloudy, then gradually becoming sunny, with a high near 76. South wind 5 to 10 mph becoming southwest in the afternoon.
• Friday Night 2025-06-20, Increasing Clouds. Increasing clouds, with a low around 62.
• Saturday 2025-06-21, Decreasing Clouds. Mostly cloudy, then gradually becoming sunny, with a high near 74.
• Saturday Night 2025-06-21, Partly Cloudy. Partly cloudy, with a low around 60.
• Sunday 2025-06-22, Mostly Sunny. Mostly sunny, with a high near 76.
• Sunday Night 2025-06-22, Increasing Clouds. Increasing clouds, with a low around 61.
• Monday 2025-06-23, Decreasing Clouds. Mostly cloudy, then gradually becoming sunny, with a high near 75.
• Monday Night 2025-06-23, Increasing Clouds. Increasing clouds, with a low around 61.
• Tuesday 2025-06-24, Decreasing Clouds. Mostly cloudy, then gradually becoming sunny, with a high near 75.