San Diego Weather Forecast

    • 58
    • 69

    Decreasing Clouds

    • 59
    • 71

    Mostly Cloudy

    • 60
    • 70

    Mostly Cloudy

    • 59
    • 72

    Partly Sunny

    • 59
    • 72

    Partly Sunny

    • 59
    • 71

    Partly Sunny

Today 18 May San Diego County Coastal Areas

Mostly cloudy this morning. Becoming partly cloudy. Highs 69 to 74. Areas of Winds south 10 Mph.

Tonight 18 May San Diego County Coastal Areas

Partly cloudy. Patchy fog overnight. Lows 51 to 57. Areas of Winds west to 10 Mph in the evening becoming light.

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San Diego Temperature Statistics

May Temperature

San Diego, San Diego International-Lindbergh Field (1.2 miles)

  • Lowest 5 May, 2026

    56.6 °F

  • Average May

    65.4 °F

  • Highest 13 May, 2026

    71.7 °F

Climate (2021–Present)

San Diego, San Diego International-Lindbergh Field (1.2 miles)

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  • Average Low 2021–2026

    58 °F

  • Average 2021–2026

    64.1 °F

  • Average High 2021–2026

    71 °F
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