10-Day Weather Forecast for Costa Mesa (CA)
Six-hourly outlook through Tuesday 15 September. Updated every three hours via MET Norway.
What's the weather in Costa Mesa this week?
Today's weather - Sunday 6 Sep
For Sunday the predicted weather in Costa Mesa is rain throughout the day. The maximum temperature is a warm 26°C (79°F), while the minimum temperature is a pleasant 21°C (70°F).
Tomorrow's weather - Monday 7 Sep
On Monday, Costa Mesa will be cloudy. The maximum predicted temperature is a warm 30°C (86°F), while the minimum temperature is a pleasant 22°C (72°F).
10-Day Weather Forecast
In the coming 10 days, the weather in Costa Mesa will reach 31°C (88°F) on Wednesday before declining again. Daytime highs during this period will average around 29°C (84°F), with nighttime lows around 21°C (70°F). Compared to September norms, this represents typical weather. The next 10 days will feature plenty of sunshine. Precipitation levels will be much more than usual (versus normal September rainfall), with mostly dry conditions. Precipitation is expected on roughly 1 day (Sun). 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 Wednesday with a high of 31°C (88°F).
When will be the coldest day?
The coldest day is forecasted for Sunday with a low of 20°C (68°F).
Will it rain next week in Costa Mesa?
Yes, rain is expected on 1 day , specifically on Sun.
How much rainfall is expected next week?
A total of 16 mm (0.6 in) of rain is forecasted for the 10-day period.
What will be the temperature range next week?
Temperatures will range from 20°C (68°F) to 31°C (88°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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