Local Forecast

Costa Mesa, CA Weather Forecast & Alerts

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

Active Alerts 1 active

Hour-by-Hour  Current Observation

Saturday 5:55 AM PDTSaturday 5:55 AM

°F °C
Regional Observations →
65°F

Haze

  • 80° / 66° High / Low
  • 65° Feels Like
  • 0% Chance of Rain

Wind

0 mph

N

UV Index

0

None

Humidity

86%

Dew 61°F

Sun

5:40 AM · 8:02 PM

Rise · Set

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

5-Day Outlook

Through Wednesday

Local Radar →

Today

80° 66°

Forecast Missing

Overnight: Forecast Missing

Detailed forecast

Today

Sunny, with a high near 76. West wind 0 to 10 mph.

Night

Partly cloudy, with a low around 65. West wind 0 to 10 mph.

Sunday

78° 66°

Forecast Missing

Overnight: Forecast Missing

Detailed forecast

Sunday

Mostly sunny, with a high near 76. West wind 0 to 10 mph, with gusts as high as 20 mph.

Night

Partly cloudy, with a low around 65. West wind 0 to 10 mph.

Monday

78° 66°

Forecast Missing

Overnight: Forecast Missing

Detailed forecast

Monday

Mostly sunny, with a high near 76. West wind 0 to 10 mph, with gusts as high as 20 mph.

Night

Partly cloudy, with a low around 64.

Tuesday

77° 64°

Forecast Missing

Overnight: Forecast Missing

Detailed forecast

Tuesday

Mostly sunny, with a high near 75.

Night

Partly cloudy, with a low around 64.

Wednesday

75° 64°

Forecast Missing

Overnight: Forecast Missing

Detailed forecast

Wednesday

Mostly sunny, with a high near 74.

Night

Partly cloudy, with a low around 63.

Costa Mesa, CA Weather Analysis Tools