Saint Malo Beach Weather Forecast

    • 68
    • 76

    Increasing Clouds

    • 66
    • 75

    Patchy Fog

    • 66
    • 76

    Patchy Fog

    • 66
    • 77

    Patchy Fog

    • 66
    • 76

    Patchy Fog

    • 66
    • 76

    Patchy Fog

Today 25 Aug San Diego County Coastal Areas

Partly cloudy. A slight chance of Showers this afternoon. Highs 74 to 79 near the coast to 80 to 85 inland. Areas of Winds west to 10 Mph. Chance of measurable precipitation 20 percent.

Tonight 25 Aug San Diego County Coastal Areas

Partly cloudy this evening. Becoming mostly cloudy. Patchy fog overnight. Lows 63 to 67. Areas of Winds west to 10 Mph this evening becoming light.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Saint Malo Beach Temperature Statistics

August Temperature

Oceanside, Oceanside Municipal Airport (3.1 miles)

  • Lowest 6 August, 2025

    56.6 °F

  • Average August

    70.2 °F

  • Highest 21 August, 2025

    84.7 °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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