I-405 CA weather conditions near Lake Forest, California

Roadnow AI Agent Live Update

7 day weather forecast

• Overnight 2025-12-15, Patchy Fog. Patchy fog. Otherwise, mostly cloudy, with a low around 52. West wind around 5 mph becoming calm.
• Monday 2025-12-15, Patchy Fog then Sunny. Patchy fog before 10am. Otherwise, cloudy through mid morning, then gradual clearing, with a high near 73. Calm wind becoming northwest around 5 mph in the afternoon.
• Monday Night 2025-12-15, Partly Cloudy. Partly cloudy, with a low around 50. South wind around 5 mph.
• Tuesday 2025-12-16, Sunny. Sunny, with a high near 76. South wind around 5 mph becoming calm.
• Tuesday Night 2025-12-16, Mostly Clear then Patchy Fog. Patchy fog after 4am. Otherwise, partly cloudy, with a low around 53. South wind around 5 mph becoming calm in the evening.
• Wednesday 2025-12-17, Patchy Fog then Sunny. Patchy fog before 10am. Otherwise, mostly sunny, with a high near 76.
• Wednesday Night 2025-12-17, Mostly Clear. Mostly clear, with a low around 54.
• Thursday 2025-12-18, Sunny. Sunny, with a high near 79.
• Thursday Night 2025-12-18, Patchy Fog. Patchy fog after 10pm. Otherwise, partly cloudy, with a low around 55.
• Friday 2025-12-19, Patchy Fog then Sunny. Patchy fog before 10am. Otherwise, mostly sunny, with a high near 77.
• Friday Night 2025-12-19, Patchy Fog. Patchy fog. Otherwise, partly cloudy, with a low around 54.
• Saturday 2025-12-20, Patchy Fog then Mostly Sunny. Patchy fog. Otherwise, mostly sunny, with a high near 73.
• Saturday Night 2025-12-20, Patchy Fog. Patchy fog. Otherwise, partly cloudy, with a low around 53.
• Sunday 2025-12-21, Patchy Fog then Mostly Sunny. Patchy fog. Otherwise, mostly sunny, with a high near 73.