Lake Forest Weather Forecast

    • 67
    • 92

    Increasing Clouds

    • 68
    • 92

    Decreasing Clouds

    • 67
    • 93

    Mostly Sunny

    • 66
    • 90

    Mostly Sunny

    • 66
    • 87

    Mostly Sunny

    • 65
    • 86

    Slight Chance Thunderstorms

    • 64
    • 85

    Mostly Sunny

Today 15 Aug Orange County Inland

Patchy fog this morning. Mostly sunny. Highs in the mid 80s towards the coast to this lower 90s farther inland. Light Winds.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Lake Forest Temperature Statistics

August Temperature

John Wayne-Orange County Airport (9.3 miles)

  • Lowest 6 August, 2022

    68 °F

  • Average August

    76.4 °F

  • Highest 9 August, 2022

    89.1 °F

Climate (2010–Present)

John Wayne-Orange County Airport (9.3 miles)

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  • Average Low 2010–Present

    59 °F

  • Average 2010–Present

    65.4 °F

  • Average High 2010–Present

    73.8 °F
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