Islay Park Weather Forecast

    • 54
    • 76

    Patchy Fog

    • 52
    • 73

    Slight Chance Thunderstorms

    • 51
    • 66

    Mostly Cloudy

    • 53
    • 76

    Patchy Fog

    • 52
    • 75

    Patchy Fog

    • 52
    • 72

    Patchy Fog

    • 52
    • 71

    Patchy Fog

Today 20 Oct San Luis Obispo County Inland Central Coast

Low Clouds and fog in the morning then sunny. Fog locally dense with visibility one quarter mile or less. Highs in the upper 60s to mid 70s.

Tonight 20 Oct San Luis Obispo County Inland Central Coast

Clear early then low Clouds and fog. Lows in the lower 50s.

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Islay Park Temperature Statistics

October Temperature

San Luis Obispo, San Luis Obispo County-Mc Chesney Field (0.6 miles)

  • Lowest 15 October, 2025

    44.1 °F

  • Average October

    61.3 °F

  • Highest 17 October, 2025

    84 °F

Climate (2020–Present)

San Luis Obispo, San Luis Obispo County-Mc Chesney Field (0.6 miles)

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  • Average Low 2020–2025

    49.9 °F

  • Average 2020–2025

    60.3 °F

  • Average High 2020–2025

    72.8 °F
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