Mission Bay - Sail Bay Weather Forecast

    • 55
    • 66

    Patchy Fog

    • 54
    • 63

    Patchy Fog

    • 54
    • 65

    Patchy Fog

    • 55
    • 64

    Mostly Cloudy

    • 58
    • 64

    Rain Showers

    • 58
    • 64

    Rain Showers

    • 56
    • 64

    Rain Showers

Today 19 Dec San Diego County Coastal Areas

Partly cloudy this morning. Becoming mostly sunny. Areas of fog this morning. Local visibility one quarter mile or less at Times this morning. Highs 66 to 70 near the coast to 72 to 75 inland. Light Winds.

Tonight 19 Dec San Diego County Coastal Areas

Partly cloudy this evening. Becoming mostly cloudy. Patchy fog overnight. Lows 48 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 °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

    70.6 °F
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