Costa Mesa Weather Forecast

    • 53
    • 70

    Mostly Cloudy

    • 54
    • 69

    Mostly Cloudy

    • 52
    • 70

    Partly Sunny

    • 54
    • 77

    Mostly Sunny

    • 55
    • 82

    Mostly Sunny

    • 54
    • 77

    Partly Sunny

Today 13 Nov Orange County Coastal

Mostly cloudy in the morning. Becoming partly cloudy. Highs around 68 at the Beaches to 72 farther inland and near higher coastal Terrain. Light Winds.

Tonight 13 Nov Orange County Coastal

Mostly cloudy. Patchy fog overnight. Lows 51 to 56. Light Winds.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Costa Mesa Temperature Statistics

November Temperature

Santa Ana, John Wayne Airport-Orange County Airport (3.7 miles)

  • Lowest 1 November, 2019

    50 °F

  • Average November

    64.7 °F

  • Highest 9 November, 2019

    84 °F

Climate (2010–Present)

Santa Ana, John Wayne Airport-Orange County Airport (3.7 miles)

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  • Average Low 2010–Present

    58.6 °F

  • Average 2010–Present

    65 °F

  • Average High 2010–Present

    73.4 °F
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