Montana De Oro State Park Weather Forecast

    • 60
    • 76

    Mostly Cloudy

    • 60
    • 70

    Chance Thunderstorms

    • 59
    • 67

    Patchy Fog

    • 58
    • 68

    Partly Sunny

    • 57
    • 68

    Partly Sunny

    • 58
    • 69

    Mostly Cloudy

    • 59
    • 70

    Partly Sunny

Today 11 Aug Santa Lucia Mountains

Sunny except for patchy low Clouds and fog in the morning. Highs in the 80s to around 90 except the lower to mid 70s closer to the coast. Southwest Winds around 15 Mph in the afternoon.

Tonight 11 Aug Santa Lucia Mountains

Partly cloudy in the evening then mostly cloudy. Lows in the mid 50s to lower 60s. Southwest Winds around 15 Mph in the evening.

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Montana De Oro State Park Temperature Statistics

August Temperature

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

  • Lowest 1 August, 2026

    52.6 °F

  • Average August

    68.6 °F

  • Highest 9 August, 2026

    82.9 °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 °F

  • Average High 2021–2026

    73.2 °F
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