| National Weather Service Forecast for:
Fountain Valley CA Issued by: National Weather Service San Diego, CA |
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| Updated: 1:38 pm PST Feb 2, 2026 | ||||||||||||||||||
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| Tonight |
Patchy fog after 7pm. Otherwise, increasing clouds, with a low around 49. South wind around 5 mph becoming calm in the evening. |
| Tuesday |
Patchy fog before 10am. Otherwise, sunny, with a high near 77. Calm wind becoming west around 5 mph in the afternoon. |
| Tuesday Night |
Clear, with a low around 51. Northwest wind around 5 mph becoming calm. |
| Wednesday |
Sunny, with a high near 85. Northeast wind 5 to 10 mph, with gusts as high as 20 mph. |
| Wednesday Night |
Mostly clear, with a low around 54. East wind around 5 mph. |
| Thursday |
Partly sunny, with a high near 77. |
| Thursday Night |
Mostly cloudy, with a low around 54. |
| Friday |
Partly sunny, with a high near 72. |
| Friday Night |
Mostly cloudy, with a low around 52. |
| Saturday |
Mostly sunny, with a high near 71. |
| Saturday Night |
Mostly clear, with a low around 51. |
| Sunday |
Mostly sunny, with a high near 73. |
| Sunday Night |
Increasing clouds, with a low around 52. |
| Monday |
A slight chance of showers. Partly sunny, with a high near 71. |
Forecast from NOAA-NWS for Fountain Valley CA.
