Grover Beach Weather Forecast

    • 59
    • 75

    Mostly Sunny

    • 67
    • 95

    Mostly Sunny

    • 59
    • 84

    Mostly Sunny

    • 54
    • 72

    Mostly Sunny

    • 53
    • 67

    Partly Sunny

    • 52
    • 63

    Chance Rain Showers

    • 51
    • 63

    Chance Rain Showers

Today 15 Oct San Luis Obispo County Beaches

Sunny. Highs from the lower to mid 70s at the Beaches to the mid to upper 80s inland. Northeast Winds around 15 Mph in the morning.

Tonight 15 Oct San Luis Obispo County Beaches

Mostly clear. Lows around 60.

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Grover Beach Temperature Statistics

October Temperature

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

  • Lowest 13 October, 2026

    46 °F

  • Average October

    70.3 °F

  • Highest 3 October, 2026

    99.6 °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

    50.3 °F

  • Average 2021–2026

    61.2 °F

  • Average High 2021–2026

    73.4 °F
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