Mission Bay - Leisure Lagoon Weather Forecast

    • 67
    • 72

    Increasing Clouds

    • 68
    • 75

    Partly Sunny

    • 69
    • 75

    Partly Sunny

    • 69
    • 76

    Partly Sunny

    • 70
    • 81

    Partly Sunny

    • 70
    • 82

    Partly Sunny

    • 68
    • 79

    Partly Sunny

Today 21 Sep San Diego County Coastal Areas

Partly cloudy in the morning. Becoming mostly sunny. Highs 76 to 81 near the coast to 81 to 84 inland.

Tonight 21 Sep San Diego County Coastal Areas

Partly cloudy. Lows 59 to 66. Areas of Winds west to 10 Mph this evening becoming light.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Mission Bay - Leisure Lagoon Temperature Statistics

September Temperature

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

  • Lowest 3 September, 2026

    63.6 °F

  • Average September

    76.4 °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

    71.2 °F
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