Grover Beach Weather Forecast

    • 48
    • 68

    Dense Fog

    • 51
    • 72

    Patchy Fog

    • 54
    • 67

    Mostly Cloudy

    • 51
    • 67

    Chance Rain

    • 50
    • 67

    Chance Rain

    • 47
    • 65

    Slight Chance Rain

Today 28 Mar San Luis Obispo County Beaches

Low Clouds and fog mostly clearing in the afternoon. Fog locally dense with visibility one quarter mile or less. Highs in the mid 60s to lower 70s. West Winds around 15 Mph in the afternoon.

Tonight 28 Mar San Luis Obispo County Beaches

Low Clouds and fog. Lows in the mid 40s to lower 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

    41.6 °F

  • Average March

    65.6 °F

  • Highest 17 March, 2026

    97.6 °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

    60.6 °F

  • Average High 2021–2026

    73.1 °F
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