South Lake Weather Forecast

    • 65
    • 79

    Increasing Clouds

    • 64
    • 79

    Partly Sunny

    • 66
    • 81

    Partly Sunny

    • 67
    • 82

    Partly Sunny

    • 66
    • 82

    Partly Sunny

    • 66
    • 80

    Partly Sunny

Today 5 Jul Orange County Inland

Partly cloudy in the morning. Becoming mostly sunny. Highs 77 to 81 towards the coast to 81 to 84 farther inland. Light Winds becoming southwest 10 Mph in the afternoon.

Tonight 5 Jul Orange County Inland

Mostly clear in the evening. Becoming partly cloudy. Patchy dense fog overnight. Lows 58 to 64. Areas of Winds southwest 10 Mph in the evening becoming light.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

South Lake Temperature Statistics

July Temperature

John Wayne-Orange County Airport (3.1 miles)

  • Lowest 1 July, 2026

    64.7 °F

  • Average July

    69 °F

  • Highest 2 July, 2026

    73.9 °F

Climate (2021–2026)

John Wayne-Orange County Airport (3.1 miles)

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  • Average Low 2021–2026

    59 °F

  • Average 2021–2026

    66 °F

  • Average High 2021–2026

    73.7 °F
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