Estero Bay Weather Forecast

    • 55
    • 59

    Decreasing Clouds

    • 58
    • 59

    Chance Rain Showers

    • 56
    • 62

    Rain Showers Likely

    • 56
    • 58

    Rain Showers Likely

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    • 59

    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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  • Temperature Forecast NOAA

  • Temperature Real-Time

Estero Bay Temperature Statistics

December Temperature

San Luis Obispo, San Luis Obispo County-Mc Chesney Field (23 miles)

  • Lowest 4 December, 2025

    37 °F

  • Average December

    57.4 °F

  • Highest 10 December, 2025

    82 °F

Climate (2020–Present)

San Luis Obispo, San Luis Obispo County-Mc Chesney Field (23 miles)

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  • Average Low 2020–2025

    50 °F

  • Average 2020–2025

    60.3 °F

  • Average High 2020–2025

    72.8 °F
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