Shelter Island Weather Forecast

    • 62
    • 69

    Decreasing Clouds

    • 64
    • 70

    Mostly Cloudy

    • 65
    • 71

    Mostly Cloudy

    • 65
    • 73

    Partly Sunny

    • 65
    • 73

    Partly Sunny

    • 63
    • 73

    Partly Sunny

Today 21 Jun San Diego County Coastal Areas

Mostly cloudy this morning. Becoming mostly sunny. Highs 70 to 74. Areas of Winds west to 10 Mph.

Tonight 21 Jun San Diego County Coastal Areas

Partly cloudy in the evening. Becoming cloudy. Lows 55 to 61. Areas of Winds northwest 10 Mph in the evening becoming light.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Shelter Island Temperature Statistics

June Temperature

San Diego, North Island, Naval Air Station (1.9 miles)

  • Lowest 1 June, 2026

    60.1 °F

  • Average June

    66.6 °F

  • Highest 12 June, 2026

    75.9 °F

Climate (2021–2026)

San Diego, North Island, Naval Air Station (1.9 miles)

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  • Average Low 2021–2026

    57.6 °F

  • Average 2021–2026

    63.4 °F

  • Average High 2021–2026

    69.5 °F
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