South Lake Weather Forecast

    • 60
    • 81

    Mostly Sunny

    • 58
    • 80

    Mostly Sunny

    • 58
    • 77

    Partly Sunny

    • 59
    • 77

    Mostly Cloudy

    • 60
    • 74

    Chance Rain Showers

    • 58
    • 72

    Chance Rain Showers

    • 57
    • 70

    Chance Rain Showers

Today 25 Oct Orange County Inland

Mostly cloudy with Showers likely in the Morning, then partly cloudy with a chance of Showers in the afternoon. Highs around 68 towards the coast to 65 to 68 farther inland.

Tonight 25 Oct Orange County Inland

Mostly clear. Lows around 60. Light Winds.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

South Lake Temperature Statistics

October Temperature

John Wayne-Orange County Airport (3.1 miles)

  • Lowest 13 October, 2026

    58.6 °F

  • Average October

    76.3 °F

  • Highest 3 October, 2026

    102.7 °F

Climate (2021–2026)

John Wayne-Orange County Airport (3.1 miles)

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  • Average Low 2021–2026

    59.2 °F

  • Average 2021–2026

    66.3 °F

  • Average High 2021–2026

    73.9 °F
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