Shelter Island Weather Forecast

    • 56
    • 68

    Patchy Fog

    • 58
    • 68

    Decreasing Clouds

    • 58
    • 69

    Partly Sunny

    • 57
    • 71

    Partly Sunny

    • 58
    • 72

    Mostly Sunny

    • 60
    • 75

    Mostly Sunny

    • 60
    • 74

    Partly Sunny

Today 6 May San Diego County Coastal Areas

Mostly sunny. Highs 65 to 69 near the coast to 70 inland. Areas of Winds east to 10 Mph becoming west with Gusts to 25 Mph this afternoon.

Tonight 6 May San Diego County Coastal Areas

Partly cloudy this evening. Becoming mostly cloudy. Patchy fog overnight. Lows 50 to 56. Areas of Winds northwest 10 to 15 Mph with Gusts to 25 Mph this evening becoming light.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Shelter Island Temperature Statistics

May Temperature

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

  • Lowest 1 May, 2026

    57.9 °F

  • Average May

    63.7 °F

  • Highest 2 May, 2026

    68 °F

Climate (2021–Present)

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

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2021–2026

    57.6 °F

  • Average 2021–2026

    63.3 °F

  • Average High 2021–2026

    69.4 °F
Get WillyWeather+ to remove ads