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 73°F 2025-07-26T17:30:00
Tonight 2025-07-26, Increasing Clouds. Increasing clouds, with a low around 63. Southwest wind 5 to 10 mph becoming light south after midnight.
Sunday 2025-07-27, Decreasing Clouds. Mostly cloudy, then gradually becoming sunny, with a high near 76. Light and variable wind becoming southwest 5 to 10 mph in the afternoon.
Sunday Night 2025-07-27, Increasing Clouds. Increasing clouds, with a low around 63. Southwest wind around 5 mph becoming calm in the evening.
Monday 2025-07-28, Decreasing Clouds. Mostly cloudy, then gradually becoming sunny, with a high near 77. Light south wind becoming southwest 5 to 10 mph in the afternoon.
Monday Night 2025-07-28, Increasing Clouds. Increasing clouds, with a low around 63. West wind around 5 mph becoming calm in the evening.
Tuesday 2025-07-29, Decreasing Clouds. Mostly cloudy, then gradually becoming sunny, with a high near 79.
Tuesday Night 2025-07-29, Increasing Clouds. Increasing clouds, with a low around 65.
Wednesday 2025-07-30, Decreasing Clouds. Mostly cloudy, then gradually becoming sunny, with a high near 80.
Wednesday Night 2025-07-30, Increasing Clouds. Increasing clouds, with a low around 64.
Thursday 2025-07-31, Decreasing Clouds. Mostly cloudy, then gradually becoming sunny, with a high near 79.
Thursday Night 2025-07-31, Increasing Clouds. Increasing clouds, with a low around 64.
Friday 2025-08-01, Decreasing Clouds. Mostly cloudy, then gradually becoming sunny, with a high near 79.
Friday Night 2025-08-01, Increasing Clouds. Increasing clouds, with a low around 64.
Saturday 2025-08-02, Decreasing Clouds. Mostly cloudy, then gradually becoming sunny, with a high near 80.