I-5 weather conditions near castaic Weather, California

Roadnow AI Agent Live Update

7 day weather forecast

• Current condition: Clear 72°F 2025-08-03T11:30:00
• Today 2025-08-03, Sunny. Sunny, with a high near 81. West wind 5 to 15 mph, with gusts as high as 20 mph.
• Tonight 2025-08-03, Patchy Fog. Patchy fog after 11pm. Otherwise, increasing clouds, with a low around 64. West wind 5 to 15 mph becoming south southeast after midnight. Winds could gust as high as 20 mph.
• Monday 2025-08-04, Patchy Fog then Mostly Sunny. Patchy fog before 11am. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 82. Calm wind becoming west southwest around 5 mph in the afternoon.
• Monday Night 2025-08-04, Patchy Fog. Patchy fog after 11pm. Otherwise, increasing clouds, with a low around 64. West wind 5 to 10 mph becoming southeast after midnight.
• Tuesday 2025-08-05, Patchy Fog then Sunny. Patchy fog before 11am. Otherwise, mostly sunny, with a high near 83. East southeast wind around 5 mph becoming southwest in the afternoon.
• Tuesday Night 2025-08-05, Patchy Fog. Patchy fog after 11pm. Otherwise, mostly cloudy, with a low around 64.
• Wednesday 2025-08-06, Patchy Fog then Sunny. Patchy fog before 11am. Otherwise, mostly sunny, with a high near 86.
• Wednesday Night 2025-08-06, Patchy Fog. Patchy fog after 11pm. Otherwise, mostly cloudy, with a low around 64.
• Thursday 2025-08-07, Patchy Fog then Sunny. Patchy fog before 11am. Otherwise, mostly sunny, with a high near 90.
• Thursday Night 2025-08-07, Patchy Fog. Patchy fog after 11pm. Otherwise, mostly cloudy, with a low around 65.
• Friday 2025-08-08, Patchy Fog then Sunny. Patchy fog. Otherwise, mostly sunny, with a high near 87.
• Friday Night 2025-08-08, Patchy Fog. Patchy fog. Otherwise, mostly cloudy, with a low around 65.
• Saturday 2025-08-09, Patchy Fog then Sunny. Patchy fog. Otherwise, mostly sunny, with a high near 80.