Mission Bay - Sea World San Diego Weather Forecast

    • 68
    • 72

    Gradual Clearing

    • 70
    • 75

    Partly Sunny

    • 70
    • 75

    Chance Rain Showers

    • 69
    • 75

    Chance Rain Showers

    • 69
    • 75

    Slight Chance Thunderstorms

    • 68
    • 74

    Patchy Fog

Today 15 Sep San Diego County Coastal Areas

Partly cloudy with patchy fog this morning. Becoming mostly sunny. Highs 72 to 77 near the coast to 79 to 84 inland. Light Winds becoming west 10 Mph this afternoon.

Tonight 15 Sep San Diego County Coastal Areas

Mostly clear in the evening. Becoming partly cloudy overnight with patchy fog. Lows 63 to 67. Light Winds.

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Mission Bay - Sea World San Diego Temperature Statistics

September Temperature

San Diego, San Diego International-Lindbergh Field (3.1 miles)

  • Lowest 13 September, 2025

    66 °F

  • Average September

    71.5 °F

  • Highest 7 September, 2025

    82 °F

Climate (2020–Present)

San Diego, San Diego International-Lindbergh Field (3.1 miles)

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  • Average Low 2020–2025

    57.9 °F

  • Average 2020–2025

    63.9 °F

  • Average High 2020–2025

    70.8 °F
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