| National Weather Service Forecast for:
Fountain Valley CA Issued by: National Weather Service San Diego, CA |
||||||||||||||||||
| Updated: 12:14 pm PDT Apr 6, 2026 | ||||||||||||||||||
|
| Tonight |
Increasing clouds, with a low around 56. Southwest wind 5 to 10 mph becoming southeast after midnight. |
| Tuesday |
Mostly cloudy, then gradually becoming sunny, with a high near 74. Light and variable wind becoming southwest 5 to 10 mph in the morning. |
| Tuesday Night |
Partly cloudy, with a low around 57. Southwest wind around 5 mph becoming calm in the evening. |
| Wednesday |
Mostly sunny, with a high near 76. Southeast wind 5 to 10 mph becoming southwest in the afternoon. |
| Wednesday Night |
Increasing clouds, with a low around 58. Southwest wind around 5 mph becoming southeast after midnight. |
| Thursday |
Partly sunny, with a high near 74. |
| Thursday Night |
Mostly cloudy, with a low around 57. |
| Friday |
Partly sunny, with a high near 73. |
| Friday Night |
A slight chance of showers and thunderstorms, then a chance of showers after 11pm. Partly cloudy, with a low around 56. |
| Saturday |
Showers likely, with thunderstorms also possible after 11am. Mostly cloudy, with a high near 68. |
| Saturday Night |
A chance of showers. Partly cloudy, with a low around 55. |
| Sunday |
A slight chance of showers. Partly sunny, with a high near 68. |
| Sunday Night |
Partly cloudy, with a low around 52. |
| Monday |
Partly sunny, with a high near 70. |
Forecast from NOAA-NWS for Fountain Valley CA.
