South Lake Weather Forecast

    • 65
    • 83

    Increasing Clouds

    • 65
    • 83

    Mostly Sunny

    • 65
    • 83

    Patchy Fog

    • 64
    • 82

    Partly Sunny

    • 64
    • 81

    Partly Sunny

    • 63
    • 79

    Partly Sunny

    • 63
    • 78

    Mostly Sunny

Today 7 Aug San Diego County Inland Valleys

Mostly sunny. Highs 85 to 89 in the western Valleys to 89 to 94 near the Foothills. Areas of Winds southwest to 10 Mph becoming west this afternoon.

Tonight 7 Aug San Diego County Inland Valleys

Mostly clear this evening. Becoming partly cloudy. Lows 63 to 68. Areas of Winds west to 10 Mph this evening becoming light.

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South Lake Temperature Statistics

August Temperature

Carlsbad, McClellan-Palomar Airport (6.2 miles)

  • Lowest 5 August, 2026

    68 °F

  • Average August

    73.4 °F

  • Highest 1 August, 2026

    79.6 °F

Climate (2021–2026)

Carlsbad, McClellan-Palomar Airport (6.2 miles)

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  • Average Low 2021–2026

    57 °F

  • Average 2021–2026

    63 °F

  • Average High 2021–2026

    69.3 °F
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