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
Overnight 2025-07-09, Partly Cloudy. Partly cloudy, with a low around 64. Southwest wind around 5 mph becoming calm.
Wednesday 2025-07-09, Patchy Fog then Sunny. Patchy fog before 11am. Otherwise, mostly sunny, with a high near 82. Light south wind becoming southwest 5 to 10 mph in the afternoon.
Wednesday Night 2025-07-09, Patchy Fog. Patchy fog after 11pm. Otherwise, partly cloudy, with a low around 64. West wind around 5 mph becoming calm in the evening.
Thursday 2025-07-10, Patchy Fog then Sunny. Patchy fog before 11am. Otherwise, sunny, with a high near 81. Light and variable wind becoming southwest 5 to 10 mph in the afternoon.
Thursday Night 2025-07-10, Increasing Clouds. Increasing clouds, with a low around 64. Southwest wind around 5 mph becoming calm in the evening.
Friday 2025-07-11, Decreasing Clouds. Mostly cloudy, then gradually becoming sunny, with a high near 77.
Friday Night 2025-07-11, Increasing Clouds. Increasing clouds, with a low around 64.
Saturday 2025-07-12, Gradual Clearing. Cloudy through mid morning, then gradual clearing, with a high near 76.
Saturday Night 2025-07-12, Increasing Clouds. Increasing clouds, with a low around 63.
Sunday 2025-07-13, Gradual Clearing. Cloudy through mid morning, then gradual clearing, with a high near 76.
Sunday Night 2025-07-13, Increasing Clouds. Increasing clouds, with a low around 63.
Monday 2025-07-14, Gradual Clearing. Cloudy through mid morning, then gradual clearing, with a high near 76.
Monday Night 2025-07-14, Increasing Clouds. Increasing clouds, with a low around 63.
Tuesday 2025-07-15, Decreasing Clouds. Mostly cloudy, then gradually becoming sunny, with a high near 76.