South Lake Weather Forecast

    • 52
    • 67

    Rain Showers Likely

    • 52
    • 68

    Partly Sunny

    • 51
    • 73

    Mostly Sunny

    • 53
    • 74

    Partly Sunny

    • 53
    • 73

    Partly Sunny

    • 53
    • 76

    Mostly Sunny

Today 12 Apr Orange County Inland

Showers likely and a slight chance of Thunderstorms. Highs 63 to 67. Areas of Winds south 10 to 15 Mph. Gusts to 25 Mph. Becoming 30 Mph this afternoon. Chance of measurable precipitation 70 percent.

Tonight 12 Apr Orange County Inland

Partly cloudy with a slight chance of Showers. Lows 48 to 52. Areas of Winds west 10 Mph in the evening becoming light. Chance of measurable precipitation 20 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

South Lake Temperature Statistics

April Temperature

John Wayne-Orange County Airport (3.1 miles)

  • Lowest 4 April, 2026

    55.7 °F

  • Average April

    68.1 °F

  • Highest 4 April, 2026

    86.6 °F

Climate (2021–Present)

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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