Rancho San Simeon Airport Weather Forecast

    • 54
    • 76

    Gradual Clearing

    • 54
    • 74

    Mostly Sunny

    • 55
    • 74

    Mostly Sunny

    • 53
    • 69

    Partly Sunny

    • 54
    • 68

    Partly Sunny

    • 55
    • 71

    Partly Sunny

Today 12 Sep San Luis Obispo County Beaches

Low Clouds and fog in the morning then sunny. Highs from around 70 at the Beaches to the upper 70s to mid 80s inland. West Winds 15 to 25 Mph in the afternoon.

Tonight 12 Sep San Luis Obispo County Beaches

Mostly clear. Lows in the mid 50s. Northwest Winds 15 to 25 Mph in the evening.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Rancho San Simeon Airport Temperature Statistics

September Temperature

Paso Robles Municipal Airport (27.3 miles)

  • Lowest 7 September, 2026

    45.6 °F

  • Average September

    70.5 °F

  • Highest 9 September, 2026

    105.1 °F

Climate (2021–2026)

Paso Robles Municipal Airport (27.3 miles)

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  • Average Low 2021–2026

    45.2 °F

  • Average 2021–2026

    60.8 °F

  • Average High 2021–2026

    77.9 °F
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