Saint Malo Beach Weather Forecast

    • 63
    • 77

    Mostly Sunny

    • 66
    • 79

    Mostly Sunny

    • 67
    • 80

    Partly Sunny

    • 69
    • 82

    Mostly Sunny

    • 72
    • 87

    Mostly Sunny

    • 72
    • 88

    Mostly Sunny

Today 28 Sep San Diego County Coastal Areas

Partly cloudy this morning. Becoming mostly sunny. Highs 76 to 80. Areas of Winds west to 10 Mph.

Tonight 28 Sep San Diego County Coastal Areas

Partly cloudy. Cooler. Lows 58 to 64. Areas of Winds west to 10 Mph in the evening becoming light.

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  • Temperature Real-Time

Saint Malo Beach Temperature Statistics

September Temperature

Oceanside, Oceanside Municipal Airport (3.1 miles)

  • Lowest 3 September, 2026

    56.6 °F

  • Average September

    73.6 °F

  • Highest 7 September, 2026

    100.7 °F

Climate (2021–2026)

Oceanside, Oceanside Municipal Airport (3.1 miles)

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  • Average Low 2021–2026

    53 °F

  • Average 2021–2026

    62.8 °F

  • Average High 2021–2026

    72.3 °F
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