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 2025-06-16, Areas Fog. Areas of fog. Otherwise, mostly cloudy, with a low around 62. Calm wind becoming south around 5 mph.Monday 2025-06-16, Areas Fog then Sunny. Areas of fog before 11am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 79. Southeast wind 5 to 10 mph becoming southwest in the afternoon.
Monday Night 2025-06-16, Mostly Clear then Patchy Fog. Patchy fog after 2am. Otherwise, mostly clear, with a low around 62. West wind around 5 mph becoming south after midnight.
- Tuesday Night 2025-06-17, Patchy Fog. Patchy fog after 11pm. Otherwise, partly cloudy, with a low around 63. Southwest wind around 5 mph becoming southeast after midnight.
Wednesday Night 2025-06-18, Increasing Clouds. Increasing clouds, with a low around 63.
Juneteenth 2025-06-19, Decreasing Clouds. Mostly cloudy, then gradually becoming sunny, with a high near 75.- Thursday Night 2025-06-19, Increasing Clouds. Increasing clouds, with a low around 63.
- Friday 2025-06-20, Decreasing Clouds. Mostly cloudy, then gradually becoming sunny, with a high near 74.
- Friday Night 2025-06-20, Increasing Clouds. Increasing clouds, with a low around 63.
- Saturday 2025-06-21, Decreasing Clouds. Mostly cloudy, then gradually becoming sunny, with a high near 73.
- Saturday Night 2025-06-21, Increasing Clouds. Increasing clouds, with a low around 62.
- Sunday 2025-06-22, Decreasing Clouds. Mostly cloudy, then gradually becoming sunny, with a high near 74.