Mission Bay - Fiesta Island Park Weather Forecast

    • 69
    • 73

    Decreasing Clouds

    • 69
    • 74

    Partly Sunny

    • 69
    • 74

    Partly Sunny

    • 69
    • 77

    Partly Sunny

    • 69
    • 78

    Partly Sunny

    • 69
    • 77

    Mostly Cloudy

Today 5 Aug San Diego County Coastal Areas

Mostly cloudy this morning. Becoming partly cloudy. Patchy fog this morning. Highs 75 to 79 near the coast to 80 to 84 inland. Areas of Winds west to 10 Mph.

Tonight 5 Aug San Diego County Coastal Areas

Partly cloudy in the evening. Becoming mostly cloudy overnight with patchy fog. Lows 63 to 68. Areas of Winds west to 10 Mph in the evening becoming light.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Mission Bay - Fiesta Island Park Temperature Statistics

August Temperature

San Diego, San Diego International-Lindbergh Field (3.7 miles)

  • Lowest 1 August, 2026

    69.7 °F

  • Average August

    74.8 °F

  • Highest 1 August, 2026

    81.6 °F

Climate (2021–2026)

San Diego, San Diego International-Lindbergh Field (3.7 miles)

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  • Average Low 2021–2026

    58.1 °F

  • Average 2021–2026

    64.1 °F

  • Average High 2021–2026

    71 °F
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