Montana De Oro State Park Weather Forecast

    • 55
    • 67

    Mostly Sunny

    • 57
    • 72

    Mostly Sunny

    • 55
    • 72

    Partly Sunny

    • 53
    • 67

    Mostly Cloudy

    • 54
    • 67

    Mostly Cloudy

    • 55
    • 64

    Chance Rain Showers

    • 54
    • 67

    Mostly Sunny

Today 31 Oct Santa Lucia Mountains

Sunny except for patchy low Clouds and fog in the morning. Highs in the mid 70s to around 80 except around 70 closer to the coast. Northeast Winds around 15 Mph shifting to the northwest in the afternoon.

Tonight 31 Oct Santa Lucia Mountains

Patchy low Clouds and fog. Fog locally dense with visibility one quarter mile or less. Lows in the upper 40s and 50s. North Winds 15 to 25 Mph.

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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 15 October, 2025

    44.1 °F

  • Average October

    61.3 °F

  • Highest 29 October, 2025

    91 °F

Climate (2020–Present)

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