Grover Beach Weather Forecast

    • 58
    • 77

    Sunny

    • 61
    • 81

    Mostly Sunny

    • 61
    • 85

    Mostly Sunny

    • 60
    • 85

    Sunny

    • 58
    • 83

    Sunny

    • 60
    • 83

    Sunny

Today 14 Mar San Luis Obispo County Beaches

Partly cloudy in the morning then sunny. Highs in the upper 60s to mid 70s. North Winds 15 to 25 Mph.

Tonight 14 Mar San Luis Obispo County Beaches

Clear. Lows in the mid to upper 50s. Northwest Winds around 15 Mph in the evening.

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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

    59 °F

  • Highest 11 March, 2026

    82 °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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