Grover Beach Weather Forecast

    • 50
    • 74

    Mostly Cloudy

    • 47
    • 65

    Partly Sunny

    • 53
    • 66

    Chance Rain

    • 50
    • 63

    Chance Rain

    • 47
    • 63

    Mostly Sunny

    • 49
    • 67

    Partly Sunny

Today 18 Apr San Luis Obispo County Beaches

Partly cloudy. Highs in the 70s.

Tonight 18 Apr San Luis Obispo County Beaches

Mostly cloudy. Lows around 50.

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Grover Beach Temperature Statistics

April Temperature

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

  • Lowest 13 April, 2026

    43.6 °F

  • Average April

    61.1 °F

  • Highest 4 April, 2026

    85.6 °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

    50.2 °F

  • Average 2021–2026

    60.7 °F

  • Average High 2021–2026

    73.2 °F
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