I-405 CA weather conditions near Costa Mesa, California
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Seasoned Weather Conditions
Current Weather Conditions
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7 day weather forecast
Current condition: Partly Cloudy 72°F 2025-06-24T14:15:00 
This Afternoon 2025-06-24, Sunny. Sunny, with a high near 73. Southwest wind around 10 mph.
Tonight 2025-06-24, Increasing Clouds. Increasing clouds, with a low around 61. Southwest wind 5 to 10 mph becoming light in the evening.
Wednesday 2025-06-25, Decreasing Clouds. Mostly cloudy, then gradually becoming sunny, with a high near 76. Light south wind becoming southwest 5 to 10 mph in the morning.
Wednesday Night 2025-06-25, Partly Cloudy. Partly cloudy, with a low around 63. Southwest wind around 5 mph becoming calm in the evening.- Thursday 2025-06-26, Decreasing Clouds. Mostly cloudy, then gradually becoming sunny, with a high near 78. Southwest wind 5 to 10 mph.
Thursday Night 2025-06-26, Patchy Fog. Patchy fog after 11pm. Otherwise, partly cloudy, with a low around 62.Friday 2025-06-27, Patchy Fog then Sunny. Patchy fog before 11am. Otherwise, mostly sunny, with a high near 79.
- Friday Night 2025-06-27, Increasing Clouds. Increasing clouds, with a low around 63.
- Saturday 2025-06-28, Decreasing Clouds. Mostly cloudy, then gradually becoming sunny, with a high near 79.
- Saturday Night 2025-06-28, Partly Cloudy. Partly cloudy, with a low around 62.
- Sunday 2025-06-29, Mostly Sunny. Mostly sunny, with a high near 80.
- Sunday Night 2025-06-29, Increasing Clouds. Increasing clouds, with a low around 63.
- Monday 2025-06-30, Decreasing Clouds. Mostly cloudy, then gradually becoming sunny, with a high near 79.