Local Forecast

Costa Mesa, CA Weather Forecast & Alerts

Current conditions, 5-day forecast, active weather alerts for Costa Mesa, CA

No Active Alerts

Hour-by-Hour  Current Observation

Thursday 11:55 AM PDTThursday 11:55 AM

°F °C
Regional Observations →
76°F

Partly Cloudy

  • 78° / 64° High / Low
  • 76° Feels Like
  • 0% Chance of Rain

Wind

9 mph

SSW

UV Index

8

Very High

Humidity

61%

Dew 62°F

Sun

6:27 AM · 7:13 PM

Rise · Set

Source: LOS ALAMITOS AAF (KSLI). Slider scrubs the next 12 hours.

5-Day Outlook

Through Monday

Local Radar →

Today

78° 64°

Forecast Missing

Overnight: Forecast Missing

Detailed forecast

Today

Sunny, with a high near 78. Southwest wind 5 to 10 mph.

Night

Partly cloudy, with a low around 64. Northeast wind 0 to 10 mph.

Friday

78° 66°

Forecast Missing

Overnight: Forecast Missing

Detailed forecast

Friday

Sunny, with a high near 77. South wind 0 to 10 mph.

Night

Mostly clear, with a low around 65. South wind 0 to 10 mph.

Saturday

82° 69°

Forecast Missing

Overnight: Forecast Missing

Detailed forecast

Saturday

Mostly sunny, with a high near 81. North wind 0 to 10 mph.

Night

A chance of rain showers after 11pm. Partly cloudy, with a low around 69. Chance of precipitation is 40%.

Sunday

82° 69°

Forecast Missing

Overnight: Forecast Missing

Detailed forecast

Sunday

A chance of rain showers. Partly sunny, with a high near 81.

Night

A slight chance of rain showers. Partly cloudy, with a low around 68.

Monday

84° 68°

Forecast Missing

Overnight: Forecast Missing

Detailed forecast

Monday

A slight chance of rain showers. Mostly sunny, with a high near 82.

Night

A slight chance of rain showers. Partly cloudy, with a low around 68.