Grover Beach Weather Forecast

    • 58
    • 69

    Increasing Clouds

    • 59
    • 67

    Patchy Fog

    • 60
    • 71

    Patchy Fog

    • 60
    • 70

    Mostly Cloudy

    • 59
    • 71

    Partly Sunny

    • 59
    • 70

    Partly Sunny

Today 16 Aug San Luis Obispo County Beaches

Mostly cloudy in the morning then partly cloudy. Highs from the mid to upper 60s at the Beaches to the lower to mid 70s inland. West Winds around 15 Mph in the afternoon.

Tonight 16 Aug San Luis Obispo County Beaches

Cloudy. Lows in the lower to mid 50s. Northwest Winds around 15 Mph.

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Grover Beach Temperature Statistics

August Temperature

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

  • Lowest 1 August, 2026

    52.6 °F

  • Average August

    69.1 °F

  • Highest 9 August, 2026

    85.6 °F

Climate (2021–2026)

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

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  • Average Low 2021–2026

    50.2 °F

  • Average 2021–2026

    61 °F

  • Average High 2021–2026

    73.2 °F
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