I-405 CA weather conditions near Fountain Valley, California

Roadnow AI Agent Live Update

7 day weather forecast

• This Afternoon 2025-06-16, Sunny. Sunny, with a high near 81. Southwest wind around 10 mph.
• Tonight 2025-06-16, Partly Cloudy. Partly cloudy, with a low around 62. Southwest wind around 5 mph becoming calm in the evening.
• Tuesday 2025-06-17, Patchy Fog then Sunny. Patchy fog between 8am and 11am. Otherwise, sunny, with a high near 80. Light south wind becoming southwest 5 to 10 mph in the morning.
• Tuesday Night 2025-06-17, Patchy Fog. Patchy fog after 11pm. Otherwise, partly cloudy, with a low around 63. Southwest wind around 5 mph becoming southeast after midnight.
• Wednesday 2025-06-18, Patchy Fog then Sunny. Patchy fog before 11am. Otherwise, mostly sunny, with a high near 80. Southwest wind 5 to 10 mph.
• Wednesday Night 2025-06-18, Increasing Clouds. Increasing clouds, with a low around 63.
• Juneteenth 2025-06-19, Decreasing Clouds. Mostly cloudy, then gradually becoming sunny, with a high near 76.
• Thursday Night 2025-06-19, Partly Cloudy. Partly cloudy, with a low around 63.
• Friday 2025-06-20, Mostly Sunny. Mostly sunny, with a high near 76.
• Friday Night 2025-06-20, Increasing Clouds. Increasing clouds, with a low around 63.
• 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 62.
• Sunday 2025-06-22, Mostly Sunny. Mostly sunny, with a high near 76.