San Simeon Bay Weather Forecast

    • 52
    • 65

    Patchy Fog

    • 53
    • 66

    Patchy Fog

    • 54
    • 71

    Patchy Fog

    • 55
    • 73

    Partly Sunny

    • 54
    • 72

    Partly Sunny

    • 54
    • 69

    Partly Sunny

    • 55
    • 73

    Partly Sunny

Today 16 Sep San Luis Obispo County Beaches

Partly cloudy in the morning then sunny. Highs from the mid 60s to around 70 at the Beaches to the mid 70s inland.

Tonight 16 Sep San Luis Obispo County Beaches

Low Clouds and fog. Lows in the lower to mid 50s.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

San Simeon Bay Temperature Statistics

September Temperature

Paso Robles Municipal Airport (31.1 miles)

  • Lowest 7 September, 2026

    45.6 °F

  • Average September

    72.1 °F

  • Highest 10 September, 2026

    107.7 °F

Climate (2021–2026)

Paso Robles Municipal Airport (31.1 miles)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2021–2026

    45.2 °F

  • Average 2021–2026

    60.8 °F

  • Average High 2021–2026

    77.9 °F
Get WillyWeather+ to remove ads