I-5 weather conditions near National City, California

Roadnow AI Agent Live Update

7 day weather forecast

• Tonight 2025-10-20, Mostly Clear then Patchy Fog. Patchy fog after 2am. Otherwise, partly cloudy, with a low around 60. Calm wind.
• Tuesday 2025-10-21, Patchy Fog then Mostly Sunny. Patchy fog before 11am. Otherwise, mostly sunny, with a high near 72. North wind 5 to 10 mph becoming west in the morning.
• Tuesday Night 2025-10-21, Mostly Cloudy. Mostly cloudy, with a low around 61. Northwest wind around 5 mph.
• Wednesday 2025-10-22, Decreasing Clouds. Cloudy, then gradually becoming mostly sunny, with a high near 68. Northwest wind 5 to 15 mph, with gusts as high as 20 mph.
• Wednesday Night 2025-10-22, Increasing Clouds. Increasing clouds, with a low around 60. Northwest wind 5 to 10 mph, with gusts as high as 20 mph.
• Thursday 2025-10-23, Partly Sunny. Partly sunny, with a high near 69.
• Thursday Night 2025-10-23, Partly Cloudy. Partly cloudy, with a low around 59.
• Friday 2025-10-24, Mostly Sunny. Mostly sunny, with a high near 72.
• Friday Night 2025-10-24, Partly Cloudy. Partly cloudy, with a low around 60.
• Saturday 2025-10-25, Partly Sunny. Partly sunny, with a high near 71.
• Saturday Night 2025-10-25, Mostly Cloudy. Mostly cloudy, with a low around 60.
• Sunday 2025-10-26, Decreasing Clouds. Cloudy, then gradually becoming mostly sunny, with a high near 70.
• Sunday Night 2025-10-26, Mostly Cloudy. Mostly cloudy, with a low around 60.
• Monday 2025-10-27, Mostly Sunny. Mostly sunny, with a high near 71.