Saint Malo Beach Weather Forecast

    • 52
    • 68

    Partly Sunny

    • 53
    • 67

    Mostly Cloudy

    • 52
    • 68

    Partly Sunny

    • 54
    • 71

    Mostly Sunny

    • 53
    • 71

    Patchy Fog

    • 53
    • 68

    Patchy Fog

    • 54
    • 69

    Partly Sunny

Today 12 Dec San Diego County Coastal Areas

Patchy fog this morning. Partly cloudy. Local visibility one quarter mile or less at Times this morning. Highs 67 to 71 near the coast to 73 to 76 inland. Light Winds becoming west 10 Mph this afternoon.

Tonight 12 Dec San Diego County Coastal Areas

Partly cloudy. Patchy fog. Local visibility one quarter mile or less at Times. Lows 50 to 54. Light Winds.

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Saint Malo Beach Temperature Statistics

December Temperature

Oceanside, Oceanside Municipal Airport (3.1 miles)

  • Lowest 2 December, 2025

    41 °F

  • Average December

    61.8 °F

  • Highest 9 December, 2025

    79 °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

    71.6 °F
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