La Jolla Mesa Weather Forecast

    • 54
    • 70

    Mostly Sunny

    • 54
    • 68

    Increasing Clouds

    • 54
    • 69

    Partly Sunny

    • 55
    • 69

    Partly Sunny

    • 55
    • 67

    Mostly Cloudy

    • 54
    • 66

    Partly Sunny

    • 53
    • 64

    Partly Sunny

Today 15 Jan San Diego County Coastal Areas

Sunny. Highs 71 to 76 near the coast to 79 inland. Areas of Winds east to 10 Mph becoming west 10 Mph this afternoon.

Tonight 15 Jan San Diego County Coastal Areas

Partly cloudy. Patchy dense fog. Local visibility one quarter mile or less at Times. Lows 48 to 52. Light Winds.

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La Jolla Mesa Temperature Statistics

January Temperature

San Diego, Montgomery Field (6.8 miles)

  • Lowest 10 January, 2026

    39.9 °F

  • Average January

    57.9 °F

  • Highest 13 January, 2026

    75 °F

Climate (2021–Present)

San Diego, Montgomery Field (6.8 miles)

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  • Average Low 2021–2026

    55.9 °F

  • Average 2021–2026

    63.9 °F

  • Average High 2021–2026

    73 °F
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