South Lake Weather Forecast

    • 55
    • 73

    Decreasing Clouds

    • 55
    • 74

    Partly Sunny

    • 58
    • 74

    Mostly Sunny

    • 58
    • 78

    Mostly Sunny

    • 56
    • 76

    Partly Sunny

    • 55
    • 74

    Mostly Sunny

Today 8 May San Diego County Inland Valleys

Partly cloudy with patchy fog in the morning. Becoming mostly sunny. Highs 76 to 80 in the western Valleys to 79 to 84 near the Foothills. Areas of Winds west to 10 Mph. Becoming 10 to 15 Mph in the afternoon.

Tonight 8 May San Diego County Inland Valleys

Partly cloudy. Patchy fog overnight. Lows 53 to 57. Areas of Winds west to 10 Mph in the evening becoming light.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

South Lake Temperature Statistics

May Temperature

Carlsbad, McClellan-Palomar Airport (6.2 miles)

  • Lowest 5 May, 2026

    55.9 °F

  • Average May

    62.6 °F

  • Highest 1 May, 2026

    67.6 °F

Climate (2021–Present)

Carlsbad, McClellan-Palomar Airport (6.2 miles)

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  • Average Low 2021–2026

    56.9 °F

  • Average 2021–2026

    62.8 °F

  • Average High 2021–2026

    69.1 °F
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