South Lake Weather Forecast

    • 74
    • 100

    Hot

    • 75
    • 99

    Hot

    • 73
    • 97

    Hot

    • 72
    • 95

    Mostly Sunny

    • 71
    • 93

    Mostly Sunny

    • 69
    • 89

    Partly Sunny

    • 67
    • 83

    Partly Sunny

Today 4 Oct Orange County Inland

Partly cloudy. Highs around 80.

Tonight 4 Oct Orange County Inland

Clear. Lows around 74. Light Winds becoming northeast to 10 Mph overnight.

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  • Temperature Real-Time

South Lake Temperature Statistics

October Temperature

John Wayne-Orange County Airport (3.1 miles)

  • Lowest 1 October, 2026

    66.9 °F

  • Average October

    76.8 °F

  • Highest 2 October, 2026

    98.1 °F

Climate (2021–2026)

John Wayne-Orange County Airport (3.1 miles)

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  • Average Low 2021–2026

    59.1 °F

  • Average 2021–2026

    66.2 °F

  • Average High 2021–2026

    73.8 °F
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