Shell Beach Weather Forecast

    • 58
    • 80

    Becoming Sunny

    • 57
    • 82

    Sunny

    • 55
    • 74

    Mostly Sunny

    • 56
    • 72

    Patchy Fog

    • 55
    • 72

    Patchy Fog

    • 54
    • 69

    Patchy Fog

Today 23 Mar San Luis Obispo County Beaches

Sunny in the morning then partly cloudy. Highs in the upper 70s to mid 80s. Northwest Winds around 15 Mph in the afternoon.

Tonight 23 Mar San Luis Obispo County Beaches

Partly cloudy in the evening then mostly clear. Lows in the 50s.

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Shell Beach Temperature Statistics

March Temperature

San Luis Obispo, San Luis Obispo County-Mc Chesney Field (5.6 miles)

  • Lowest 7 March, 2026

    42.1 °F

  • Average March

    64.9 °F

  • Highest 17 March, 2026

    97.6 °F

Climate (2021–Present)

San Luis Obispo, San Luis Obispo County-Mc Chesney Field (5.6 miles)

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  • Average Low 2021–2026

    50.1 °F

  • Average 2021–2026

    60.6 °F

  • Average High 2021–2026

    73.1 °F
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