Montana De Oro State Park Weather Forecast

    • 64
    • 81

    Partly Sunny

    • 65
    • 87

    Mostly Sunny

    • 62
    • 85

    Mostly Cloudy

    • 58
    • 73

    Partly Sunny

    • 54
    • 67

    Partly Sunny

    • 54
    • 64

    Partly Sunny

    • 53
    • 66

    Slight Chance Rain Showers

Today 6 Oct Santa Lucia Mountains

Sunny. Highs in the upper 60s to mid 70s.

Tonight 6 Oct Santa Lucia Mountains

Mostly clear. Lows in the mid 50s to lower 60s except the mid to upper 70s warmer Hills.

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Montana De Oro State Park Temperature Statistics

October Temperature

San Luis Obispo, San Luis Obispo County-Mc Chesney Field (12.4 miles)

  • Lowest 1 October, 2026

    55.7 °F

  • Average October

    71.7 °F

  • Highest 3 October, 2026

    98.1 °F

Climate (2021–2026)

San Luis Obispo, San Luis Obispo County-Mc Chesney Field (12.4 miles)

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  • Average Low 2021–2026

    50.2 °F

  • Average 2021–2026

    61.2 °F

  • Average High 2021–2026

    73.3 °F
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