I-5 weather conditions near Lake Forest, California

Roadnow AI Agent Live Update

7 day weather forecast

• Overnight 2025-08-17, Cloudy. Cloudy, with a low around 64. Southeast wind around 5 mph.
• Sunday 2025-08-17, Becoming Sunny. Cloudy through mid morning, then gradual clearing, with a high near 81. Light and variable wind becoming west 5 to 10 mph in the afternoon.
• Sunday Night 2025-08-17, Increasing Clouds. Increasing clouds, with a low around 64. West wind around 5 mph becoming calm in the evening.
• Monday 2025-08-18, Becoming Sunny. Cloudy through mid morning, then gradual clearing, with a high near 85. Light and variable wind becoming southwest 5 to 10 mph in the afternoon.
• Monday Night 2025-08-18, Patchy Fog. Patchy fog after 11pm. Otherwise, increasing clouds, with a low around 64. West wind around 5 mph becoming calm in the evening.
• Tuesday 2025-08-19, Patchy Fog then Sunny. Patchy fog before 11am. Otherwise, mostly cloudy through mid morning, then gradual clearing, with a high near 85.
• Tuesday Night 2025-08-19, Patchy Fog. Patchy fog after 11pm. Otherwise, increasing clouds, with a low around 65.
• Wednesday 2025-08-20, Patchy Fog then Sunny. Patchy fog before 11am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 87.
• Wednesday Night 2025-08-20, Patchy Fog. Patchy fog after 11pm. Otherwise, increasing clouds, with a low around 68.
• Thursday 2025-08-21, Patchy Fog then Sunny. Patchy fog before 11am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 90.
• Thursday Night 2025-08-21, Patchy Fog. Patchy fog. Otherwise, increasing clouds, with a low around 69.
• Friday 2025-08-22, Patchy Fog then Sunny. Patchy fog. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 91.
• Friday Night 2025-08-22, Patchy Fog. Patchy fog. Otherwise, increasing clouds, with a low around 69.
• Saturday 2025-08-23, Patchy Fog then Sunny. Patchy fog. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 89.