Costa Mesa Weather Forecast

    • 44
    • 57

    Increasing Clouds

    • 45
    • 59

    Slight Chance Rain Showers

    • 47
    • 61

    Rain

    • 46
    • 56

    Rain Showers Likely

    • 45
    • 60

    Mostly Sunny

    • 46
    • 63

    Partly Sunny

Today 26 Jan Orange County Coastal

Mostly sunny. Highs around 57. Areas of Winds northwest 15 Mph in the morning becoming light.

Tonight 26 Jan Orange County Coastal

Partly cloudy in the evening. Becoming mostly cloudy. Lows 40 to 45. Light Winds.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Costa Mesa Temperature Statistics

January Temperature

John Wayne-Orange County Airport (3.7 miles)

  • Lowest 9 January, 2021

    45 °F
  • Average January

    59 °F
  • Highest 15 January, 2021

    90 °F

Climate (2010–Present)

John Wayne-Orange County Airport (3.7 miles)

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  • Average Low 2010–Present

    58.8 °F
  • Average 2010–Present

    65.2 °F
  • Average High 2010–Present

    73.7 °F
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