San Simeon Bay Weather Forecast

    • 52
    • 63

    Decreasing Clouds

    • 54
    • 62

    Rain Showers Likely

    • 54
    • 60

    Rain Showers Likely

    • 54
    • 59

    Rain Showers Likely

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    • 58

    Rain Showers

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    • 57

    Rain Showers

Today 19 Dec San Luis Obispo County Beaches

Areas of low Clouds and fog mostly clearing in the afternoon. Highs in the 60s to around 70. Northwest Winds 15 to 25 Mph in the afternoon.

Tonight 19 Dec San Luis Obispo County Beaches

Partly cloudy in the Evening, becoming mostly clear with a 20 percent chance of Showers after midnight. Lows in the upper 40s to mid 50s. Northwest Winds 15 to 25 Mph in the evening.

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San Simeon Bay Temperature Statistics

December Temperature

Paso Robles Municipal Airport (31.1 miles)

  • Lowest 5 December, 2025

    30 °F

  • Average December

    45.6 °F

  • Highest 12 December, 2025

    73 °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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