I-405 CA weather conditions near Fountain Valley, California
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Seasoned Weather Conditions
Current Weather Conditions
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7 day weather forecast
Current condition: Clear 68°F 2025-06-21T18:30:00 
Tonight 2025-06-21, Increasing Clouds. Increasing clouds, with a low around 61. Southwest wind 5 to 10 mph becoming southeast in the evening.
Sunday 2025-06-22, Gradual Clearing. Cloudy through mid morning, then gradual clearing, with a high near 76. South wind 5 to 10 mph becoming west in the afternoon. Winds could gust as high as 20 mph.
Sunday Night 2025-06-22, Partly Cloudy. Partly cloudy, with a low around 60. Southwest wind around 5 mph becoming southeast after midnight.
Monday 2025-06-23, Mostly Sunny. Mostly sunny, with a high near 73. South wind 5 to 10 mph.- Monday Night 2025-06-23, Increasing Clouds. Increasing clouds, with a low around 59. South wind around 5 mph.
- Tuesday 2025-06-24, Gradual Clearing. Cloudy through mid morning, then gradual clearing, with a high near 73.
- Tuesday Night 2025-06-24, Increasing Clouds. Increasing clouds, with a low around 60.
- Wednesday 2025-06-25, Decreasing Clouds. Mostly cloudy, then gradually becoming sunny, with a high near 75.
- Wednesday Night 2025-06-25, Increasing Clouds. Increasing clouds, with a low around 62.
- Thursday 2025-06-26, Decreasing Clouds. Mostly cloudy, then gradually becoming sunny, with a high near 76.
- Thursday Night 2025-06-26, Increasing Clouds. Increasing clouds, with a low around 62.
- Friday 2025-06-27, Decreasing Clouds. Mostly cloudy, then gradually becoming sunny, with a high near 77.
- Friday Night 2025-06-27, Increasing Clouds. Increasing clouds, with a low around 62.
- Saturday 2025-06-28, Decreasing Clouds. Mostly cloudy, then gradually becoming sunny, with a high near 78.