Grover Beach Weather Forecast

    • 46
    • 55

    Chance Rain Showers

    • 45
    • 63

    Partly Sunny

    • 45
    • 65

    Mostly Sunny

    • 46
    • 61

    Mostly Sunny

    • 48
    • 63

    Mostly Sunny

    • 48
    • 63

    Mostly Sunny

    • 49
    • 65

    Partly Sunny

Today 20 Nov San Luis Obispo County Beaches

Rain in the Morning, then rain likely in the afternoon. Highs in the mid to upper 50s. East Winds around 15 Mph in the afternoon.

Tonight 20 Nov San Luis Obispo County Beaches

Cloudy. A 30 percent chance of Showers in the evening. Lows in the mid 40s. Northwest Winds around 15 Mph in the evening.

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Grover Beach Temperature Statistics

November Temperature

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

  • Lowest 18 November, 2025

    44.1 °F

  • Average November

    58.8 °F

  • Highest 8 November, 2025

    86 °F

Climate (2020–Present)

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

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  • Average Low 2020–2025

    49.9 °F

  • Average 2020–2025

    60.3 °F

  • Average High 2020–2025

    72.8 °F
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