Local Forecast

Costa Mesa, CA Weather Forecast & Alerts

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

Hour-by-Hour  Current Observation

Sunday 4:55 AM PDTSunday 4:55 AM

°F °C
Regional Observations →
59°F

Mostly Cloudy

  • 73° / 57° High / Low
  • 59° Feels Like
  • 0% Chance of Rain

Wind

N

0 mph

UV Index

0

None

Humidity

83%

Dew 54°F

Sun

5:49 AM · 7:46 PM

Rise · Set

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

5-Day Outlook

Through Thursday

Local Radar →

Today

73° 57°

Forecast Missing

Overnight: Forecast Missing

Detailed forecast

Today

Patchy drizzle before 8am. Mostly cloudy, with a high near 71. South wind around 10 mph, with gusts as high as 20 mph.

Night

Mostly cloudy, with a low around 57. South wind 5 to 10 mph, with gusts as high as 20 mph.

Monday

75° 57°

Forecast Missing

Overnight: Forecast Missing

Detailed forecast

Monday

Mostly sunny, with a high near 73. Southwest wind 5 to 15 mph, with gusts as high as 25 mph.

Night

Partly cloudy, with a low around 56. South wind 0 to 10 mph, with gusts as high as 20 mph.

Tuesday

77° 59°

Forecast Missing

Overnight: Forecast Missing

Detailed forecast

Tuesday

Sunny, with a high near 75.

Night

Partly cloudy, with a low around 58.

Wednesday

77° 59°

Forecast Missing

Overnight: Forecast Missing

Detailed forecast

Wednesday

Sunny, with a high near 75.

Night

Partly cloudy, with a low around 58.

Thursday

75° 59°

Forecast Missing

Overnight: Forecast Missing

Detailed forecast

Thursday

Mostly sunny, with a high near 74.

Night

Partly cloudy, with a low around 57.