South Lake Weather Forecast

    • 55
    • 73

    Patchy Fog

    • 57
    • 76

    Partly Sunny

    • 57
    • 78

    Partly Sunny

    • 57
    • 78

    Mostly Sunny

    • 58
    • 80

    Mostly Sunny

    • 60
    • 83

    Mostly Sunny

    • 59
    • 81

    Mostly Sunny

Today 6 May Orange County Inland

Mostly sunny. Highs 71 to 74. Areas of Winds south to 10 Mph.

Tonight 6 May Orange County Inland

Partly cloudy. Patchy fog overnight. Lows 51 to 56. Areas of Winds west to 10 Mph this evening becoming light.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

South Lake Temperature Statistics

May Temperature

John Wayne-Orange County Airport (3.1 miles)

  • Lowest 4 May, 2026

    57 °F

  • Average May

    64.9 °F

  • Highest 1 May, 2026

    72.6 °F

Climate (2021–Present)

John Wayne-Orange County Airport (3.1 miles)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2021–2026

    59 °F

  • Average 2021–2026

    66 °F

  • Average High 2021–2026

    73.7 °F
Get WillyWeather+ to remove ads