Seacliff Park Weather Forecast

    • 55
    • 65

    Gradual Clearing

    • 55
    • 64

    Partly Sunny

    • 55
    • 64

    Partly Sunny

    • 57
    • 67

    Partly Sunny

    • 59
    • 68

    Mostly Cloudy

    • 60
    • 70

    Mostly Cloudy

    • 59
    • 69

    Partly Sunny

Today 4 Sep San Luis Obispo County Beaches

Low Clouds and fog in the morning then partly cloudy. Highs from the lower to mid 60s at the Beaches to the lower to mid 70s inland. West Winds around 15 Mph in the afternoon.

Tonight 4 Sep San Luis Obispo County Beaches

Partly cloudy in the evening then mostly cloudy. Lows in the lower to mid 50s. West Winds around 15 Mph in the evening.

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Seacliff Park Temperature Statistics

September Temperature

San Luis Obispo, San Luis Obispo County-Mc Chesney Field (5.6 miles)

  • Lowest 2 September, 2026

    53.1 °F

  • Average September

    64.1 °F

  • Highest 2 September, 2026

    75 °F

Climate (2021–2026)

San Luis Obispo, San Luis Obispo County-Mc Chesney Field (5.6 miles)

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  • Average Low 2021–2026

    50.2 °F

  • Average 2021–2026

    61 °F

  • Average High 2021–2026

    73.3 °F
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