San Simeon Bay Weather Forecast

    • 51
    • 65

    Becoming Sunny

    • 51
    • 63

    Mostly Sunny

    • 51
    • 63

    Mostly Sunny

    • 49
    • 64

    Mostly Cloudy

    • 50
    • 65

    Partly Sunny

    • 50
    • 67

    Partly Sunny

    • 52
    • 68

    Mostly Sunny

Today 4 Dec San Luis Obispo County Beaches

Sunny. Highs in the mid 60s to around 70. Northeast Winds around 15 Mph in the morning.

Tonight 4 Dec San Luis Obispo County Beaches

Mostly clear. Lows in the mid 30s to mid 40s except around 50 in the Hills. Northeast Winds around 15 Mph after midnight.

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San Simeon Bay Temperature Statistics

December Temperature

Paso Robles Municipal Airport (31.1 miles)

  • Lowest 2 December, 2025

    30.9 °F

  • Average December

    44.9 °F

  • Highest 2 December, 2025

    64.9 °F

Climate (2020–Present)

Paso Robles Municipal Airport (31.1 miles)

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  • Average Low 2020–2025

    45.1 °F

  • Average 2020–2025

    60.4 °F

  • Average High 2020–2025

    77.7 °F
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