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
Tonight 2026-05-04, Chance Showers. A chance of showers after 11pm. Mostly cloudy, with a low around 54. West wind 5 to 10 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Tuesday 2026-05-05, Mostly Sunny. Mostly sunny, with a high near 68. West wind 5 to 15 mph, with gusts as high as 20 mph.
Tuesday Night 2026-05-05, Partly Cloudy. Partly cloudy, with a low around 55. West wind 5 to 10 mph becoming light and variable after midnight. Winds could gust as high as 20 mph.- Wednesday 2026-05-06, Becoming Sunny. Partly sunny, then gradually becoming sunny, with a high near 71. Light and variable wind becoming southwest 5 to 10 mph in the afternoon.
Wednesday Night 2026-05-06, Mostly Clear. Mostly clear, with a low around 56. West wind around 5 mph becoming calm in the evening.- Thursday 2026-05-07, Mostly Sunny. Mostly sunny, with a high near 75.
- Thursday Night 2026-05-07, Mostly Clear. Mostly clear, with a low around 58.
- Friday 2026-05-08, Mostly Sunny. Mostly sunny, with a high near 76.
- Friday Night 2026-05-08, Mostly Clear. Mostly clear, with a low around 58.
Saturday 2026-05-09, Sunny. Sunny, with a high near 78.- Saturday Night 2026-05-09, Mostly Clear. Mostly clear, with a low around 59.
- Sunday 2026-05-10, Sunny. Sunny, with a high near 79.
- Sunday Night 2026-05-10, Mostly Clear. Mostly clear, with a low around 60.
- Monday 2026-05-11, Mostly Sunny. Mostly sunny, with a high near 81.