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: Overcast 67°F 2025-06-20T09:00:00 
Today 2025-06-20, Mostly Sunny. Mostly sunny, with a high near 74. Southwest wind 5 to 10 mph.
Tonight 2025-06-20, Mostly Cloudy. Mostly cloudy, with a low around 62. Southwest wind 5 to 10 mph becoming southeast after midnight.
Saturday 2025-06-21, Partly Sunny. Partly sunny, with a high near 72. Southeast wind around 10 mph becoming southwest in the afternoon.- Saturday Night 2025-06-21, Mostly Cloudy. Mostly cloudy, with a low around 61. Southeast wind around 5 mph.
- Sunday 2025-06-22, Decreasing Clouds. Mostly cloudy, then gradually becoming sunny, with a high near 74. South wind 5 to 10 mph becoming southwest in the afternoon.
- Sunday Night 2025-06-22, Increasing Clouds. Increasing clouds, with a low around 61.
- Monday 2025-06-23, Decreasing Clouds. Mostly cloudy, then gradually becoming sunny, with a high near 74.
- Monday Night 2025-06-23, Increasing Clouds. Increasing clouds, with a low around 60.
- Tuesday 2025-06-24, Decreasing Clouds. Mostly cloudy, then gradually becoming sunny, 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 74.
- Wednesday Night 2025-06-25, Increasing Clouds. Increasing clouds, with a low around 61.
- Thursday 2025-06-26, Gradual Clearing. Cloudy through mid morning, then gradual clearing, with a high near 76.