Mission Bay - Sail Bay Weather Forecast

    • 55
    • 67

    Mostly Cloudy

    • 56
    • 66

    Mostly Cloudy

    • 55
    • 67

    Partly Sunny

    • 56
    • 69

    Mostly Sunny

    • 55
    • 68

    Patchy Fog

    • 56
    • 66

    Patchy Fog

Today 12 Dec San Diego County Coastal Areas

Patchy fog this morning. Partly cloudy. Local visibility one quarter mile or less at Times this morning. Highs 67 to 71 near the coast to 73 to 76 inland. Light Winds becoming west 10 Mph this afternoon.

Tonight 12 Dec San Diego County Coastal Areas

Partly cloudy. Patchy fog overnight. Lows 50 to 53. Light Winds.

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Mission Bay - Sail Bay Temperature Statistics

December Temperature

San Diego, San Diego International-Lindbergh Field (5 miles)

  • Lowest 5 December, 2025

    46 °F

  • Average December

    59.6 °F

  • Highest 10 December, 2025

    80.1 °F

Climate (2020–Present)

San Diego, San Diego International-Lindbergh Field (5 miles)

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  • Average Low 2020–2025

    57.9 °F

  • Average 2020–2025

    63.8 °F

  • Average High 2020–2025

    70.7 °F
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