Local Forecast

Costa Mesa, CA Weather Forecast & Alerts

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

Hour-by-Hour  Current Observation

Saturday 6:30 AM PDTSaturday 6:30 AM

°F °C
Regional Observations →
71°F

Clear

  • 93° / 68° High / Low
  • 71° Feels Like
  • 0% Chance of Rain

Wind

0 mph

N

UV Index

0

None

Humidity

41%

Dew 46°F

Sun

7:00 AM · 6:12 PM

Rise · Set

Source: LONG BEACH (KLGB). Slider scrubs the next 12 hours.

5-Day Outlook

Through Wednesday

Local Radar →

Saturday

93° 68°

Overnight Fog

Overnight: Forecast Missing

Detailed forecast

Saturday

Mostly sunny, with a high near 91. East wind 0 to 10 mph.

Night

Mostly clear, with a low around 66. West wind 0 to 5 mph.

Sunday

87° 66°

Forecast Missing

Overnight: Forecast Missing

Detailed forecast

Sunday

Sunny, with a high near 86. South wind 0 to 10 mph.

Night

Patchy fog after 11pm. Mostly clear, with a low around 65. Southwest wind 0 to 5 mph.

Monday

80° 64°

Forecast Missing

Overnight: Forecast Missing

Detailed forecast

Monday

Patchy fog before 11am. Sunny, with a high near 80.

Night

Patchy fog after 11pm. Partly cloudy, with a low around 63.

Tuesday

73° 59°

Forecast Missing

Overnight: Forecast Missing

Detailed forecast

Tuesday

Patchy fog before 11am. Mostly sunny, with a high near 71.

Night

Rain showers likely after 11pm. Partly cloudy, with a low around 58.

Wednesday

71° 59°

Forecast Missing

Overnight: Forecast Missing

Detailed forecast

Wednesday

Rain showers likely before 11am, then showers and thunderstorms likely. Mostly cloudy, with a high near 70.

Night

Showers and thunderstorms likely. Mostly cloudy, with a low around 57.