For the rest of Wednesday the predicted weather in Costa Mesa is heavy rain during the afternoon and evening. The temperature will be around 22°C (72°F).

Tomorrow's weather - Thursday 22 Oct

On Thursday, Costa Mesa will be rain showers throughout the day. The maximum predicted temperature is a pleasant 19°C (66°F), while the minimum temperature is a mild 16°C (61°F).

10-Day Weather Forecast

In the coming 10 days, the weather in Costa Mesa will reach 24°C (75°F) on Monday before declining again. Daytime highs during this period will average around 22°C (72°F), with nighttime lows around 15°C (59°F). Compared to October norms, this represents a bit cooler than usual weather. The next 10 days will feature plenty of sunshine. Precipitation levels will be much more than usual (versus normal October rainfall), with mostly dry conditions. Precipitation is expected on roughly 2 days (Wed, Thu). Wind patterns will be generally calm.

Weather Forecast FAQ for Costa Mesa

When will be the warmest day next week?

The warmest day is expected to be Monday with a high of 24°C (75°F).

When will be the coldest day?

The coldest day is forecasted for Saturday with a low of 13°C (55°F).

Will it rain next week in Costa Mesa?

Yes, rain is expected on 2 days , specifically on Wed, Thu.

How much rainfall is expected next week?

A total of 28 mm (1.1 in) of rain is forecasted for the 10-day period.

What will be the temperature range next week?

Temperatures will range from 13°C (55°F) to 24°C (75°F).

More about Costa Mesa

Explore the full Costa Mesa climate overview with monthly averages, or check rainfall data and temperature by month.

Costa Mesa weather by month

Browse monthly averages for Costa Mesa: climate by month with temperature, rainfall and sunshine.

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