Current conditions and the National Weather Service 7-day forecast for Costa Mesa, California — temperature, rain chance, wind, radar and active alerts.
Wednesday Sep 16: a high near 74°F and a low around 64°F. Highs over the period run 74°F to 77°F.
| Day | High | Low | Precip |
|---|---|---|---|
| Wednesday Sep 16 | 74° | 64° | — |
| Thursday Sep 17 | 74° | 63° | — |
| Friday Sep 18 | 75° | 64° | — |
| Saturday Sep 19 | 77° | 65° | — |
| Sunday Sep 20 | 76° | 64° | — |
| Monday Sep 21 | 75° | 64° | — |
| Tuesday Sep 22 | 77° | — | — |