Saint Malo Beach Weather Forecast

    • 65
    • 72

    Increasing Clouds

    • 64
    • 73

    Partly Sunny

    • 64
    • 74

    Patchy Fog

    • 66
    • 76

    Patchy Fog

    • 67
    • 78

    Patchy Fog

    • 67
    • 78

    Partly Sunny

Today 13 Sep San Diego County Coastal Areas

Mostly cloudy this morning. Becoming mostly sunny. Highs 70 to 75 near the coast to 74 to 77 inland. Light Winds becoming west 10 Mph this afternoon.

Tonight 13 Sep San Diego County Coastal Areas

Partly cloudy in the evening. Becoming cloudy overnight with patchy fog. Lows 60 to 64. Light Winds.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Saint Malo Beach Temperature Statistics

September Temperature

Oceanside, Oceanside Municipal Airport (3.1 miles)

  • Lowest 11 September, 2025

    59 °F

  • Average September

    70.4 °F

  • Highest 2 September, 2025

    82 °F

Climate (2020–Present)

Oceanside, Oceanside Municipal Airport (3.1 miles)

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  • Average Low 2020–2025

    52.7 °F

  • Average 2020–2025

    62.3 °F

  • Average High 2020–2025

    71.8 °F
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