Weather forecast for 10 days
Costa Mesa, CA

On Sunday, in Costa Mesa, it will be foggy in the morning. Cloudy weather is expected later in the afternoon.
A slight fluctuation in temperature is anticipated, achieving a maximum of a refreshing 62.6°F (17°C) and dipping to a minimum of a cool 53.6°F (12°C).
The forecasted high for the day is forecasted to be consistent with the average December temperature of 62.4°F (16.9°C).
Sunrise will be at 6:51 am and sunset at 4:49 pm; the daylight will last for 9h and 58min.

For the next ten days, primarily cloudy and occasionally foggy weather is forecasted.
Rain is not expected in Costa Mesa in the upcoming days.
In the coming days, the maximum temperature will vary between 60.8°F (16°C) and 69.8°F (21°C), while the lowest nightly temperature fluctuation will be unnoticeable, as the minimum temperature will vary between 48.2°F (9°C) and 53.6°F (12°C).
Next Tuesday will be the warmest day, with a maximum temperature of 69.8°F (21°C); the coldest day will be Tuesday, with a maximum of 60.8°F (16°C).

---

December is the coldest month in Costa Mesa, with an average high-temperature of 62.4°F (16.9°C) and an average low-temperature of 53.1°F (11.7°C).