Mission Bay Park Weather Forecast

    • 69
    • 74

    Increasing Clouds

    • 69
    • 75

    Partly Sunny

    • 70
    • 75

    Partly Sunny

    • 71
    • 80

    Partly Sunny

    • 70
    • 82

    Mostly Cloudy

    • 68
    • 78

    Mostly Sunny

    • 70
    • 82

    Mostly Sunny

Today 23 Sep San Diego County Coastal Areas

Partly cloudy in the morning. Becoming mostly sunny. Highs 80 to 85 near the coast to 90 inland.

Tonight 23 Sep San Diego County Coastal Areas

Partly cloudy this evening. Becoming mostly cloudy. Patchy fog overnight. Lows 64 to 68. Light Winds.

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Mission Bay Park Temperature Statistics

September Temperature

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

  • Lowest 3 September, 2026

    63.6 °F

  • Average September

    76.1 °F

  • Highest 6 September, 2026

    95.6 °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

    64.2 °F

  • Average High 2021–2026

    71.1 °F
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