Costa Ana
24°75°
Humid and Overcast
Feels Like: 24°75°
Min: 23°74°
Max: 28°82°
The next few hours will be overcast, with tomorrow reaching 31°C and dropping to 23°C. The coming days will be light rain throughout the day and possible thunderstorms in the afternoon.
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Air quality is satisfactory, and air pollution poses little or no risk.
05:31
Sunrise
17:19
Sunset
06:09
Moonrise
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View stargazing scoreWeather in Costa Ana tomorrow, October 12, 2026
Expect unsettled, showery conditions in Costa Ana on October 12, 2026 as rain moves through. The day opens on a wet note and needs flexible outdoor plans. Morning plans should assume damp conditions, as rain chances climb toward 74% around 10:00. Cloud cover is also at its densest near 00:00 at roughly 100%.Expect unsettled, showery conditions in Costa Ana on October 12, 2026 as rain moves through. The day opens on a wet note and needs flexible outdoor plans. Morning plans should assume damp conditions, as rain chances climb toward 74% around 10:00. Cloud cover is also at its densest near 00:00 at roughly 100%.
The day peaks near 31°C and cools toward 23°C. Moisture in the air spans 70%-100%, with the highest values around 18:00. Airflow remains manageable, reaching about 8 km/h around 18:00.The day peaks near 87°F and cools toward 74°F. Moisture in the air spans 70%-100%, with the highest values around 18:00. Airflow remains manageable, reaching about 5 mph around 18:00.
Afternoon showers stay in play, peaking near 94% around 16:00. Skies remain cluttered, with cover about 96% by 18:00. Expect visibility near 15.6 km, with poorer spells close to 11.9 km. The sun rises at 05:31 and sets at 17:18, for a total of 11 hours 46 minutes of sunlight today.Afternoon showers stay in play, peaking near 94% around 16:00. Skies remain cluttered, with cover about 96% by 18:00. Expect visibility near 9.7 mi, with poorer spells close to 7.4 mi. The sun rises at 05:31 and sets at 17:18, for a total of 11 hours 46 minutes of sunlight today.
Taken together, Costa Ana looks wet enough on October 12, 2026 that flexible outdoor plans work best, with temperatures peaking near 31°C.Taken together, Costa Ana looks wet enough on October 12, 2026 that flexible outdoor plans work best, with temperatures peaking near 87°F.
Frequently asked questions about weather in Costa Ana
How warm does it get in Costa Ana?
The warmest month in Costa Ana is May, with average high temperatures of 30°C. The average temperature during this period is around 26°C.The warmest month in Costa Ana is May, with average high temperatures of 86°F. The average temperature during this period is around 78°F.
How cold does it get in Costa Ana?
The coldest month in Costa Ana is February, with average low temperatures of 21°C. The average temperature during this period is around 24°C.The coldest month in Costa Ana is February, with average low temperatures of 69°F. The average temperature during this period is around 74°F.
What is the wettest time of year in Costa Ana?
The wettest month in Costa Ana is November, with an average of 417 mm of precipitation.The wettest month in Costa Ana is November, with an average of 16.4 in of precipitation.
What is the driest time of year in Costa Ana?
The driest month in Costa Ana is March, with an average of 98 mm of precipitation.The driest month in Costa Ana is March, with an average of 3.8 in of precipitation.