Grover Beach Weather Forecast

    • 55
    • 77

    Sunny

    • 59
    • 83

    Mostly Sunny

    • 57
    • 84

    Partly Sunny

    • 58
    • 81

    Mostly Sunny

    • 58
    • 84

    Partly Sunny

    • 59
    • 82

    Partly Sunny

Today 11 Mar San Luis Obispo County Beaches

Sunny. Highs in the 70s. North Winds around 15 Mph.

Tonight 11 Mar San Luis Obispo County Beaches

Mostly clear. Lows in the lower to mid 50s. North Winds around 15 Mph.

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Grover Beach Temperature Statistics

March Temperature

San Luis Obispo, San Luis Obispo County-Mc Chesney Field (7.5 miles)

  • Lowest 7 March, 2026

    42.1 °F

  • Average March

    57.8 °F

  • Highest 8 March, 2026

    81 °F

Climate (2021–Present)

San Luis Obispo, San Luis Obispo County-Mc Chesney Field (7.5 miles)

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  • Average Low 2021–2026

    50.1 °F

  • Average 2021–2026

    60.5 °F

  • Average High 2021–2026

    72.9 °F
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