South Lake Weather Forecast

    • 58
    • 77

    Mostly Sunny

    • 58
    • 78

    Mostly Sunny

    • 57
    • 81

    Mostly Sunny

    • 59
    • 81

    Mostly Sunny

    • 60
    • 83

    Partly Sunny

    • 60
    • 82

    Partly Sunny

Today 23 Mar San Diego County Inland Valleys

Mostly sunny. Highs 80 to 84 in the western Valleys to 82 to 87 near the Foothills. Light Winds becoming west 10 Mph this afternoon.

Tonight 23 Mar San Diego County Inland Valleys

Mostly clear. Lows 50 to 58 in wind Sheltered Areas to 56 to 62 in warmer Locations. Light Winds.

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South Lake Temperature Statistics

March Temperature

Carlsbad, McClellan-Palomar Airport (6.2 miles)

  • Lowest 6 March, 2026

    51.1 °F

  • Average March

    65.6 °F

  • Highest 8 March, 2026

    88 °F

Climate (2021–Present)

Carlsbad, McClellan-Palomar Airport (6.2 miles)

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  • Average Low 2021–2026

    56.8 °F

  • Average 2021–2026

    62.7 °F

  • Average High 2021–2026

    69.1 °F
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