Montana De Oro State Park Weather Forecast

    • 49
    • 58

    Breezy

    • 50
    • 56

    Mostly Cloudy

    • 50
    • 57

    Mostly Cloudy

    • 51
    • 61

    Mostly Sunny

    • 52
    • 65

    Mostly Sunny

    • 53
    • 67

    Mostly Sunny

Today 26 May Santa Lucia Mountains

Mostly cloudy. Patchy drizzle in the morning. Highs in the upper 50s and 60s. Northwest wind 15 to 25 Mph.

Tonight 26 May Santa Lucia Mountains

Mostly clear in the Evening, becoming partly cloudy. Lows in the 40s. Northwest wind 15 to 25 Mph.

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Montana De Oro State Park Temperature Statistics

May Temperature

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

  • Lowest 18 May, 2026

    43.6 °F

  • Average May

    60.9 °F

  • Highest 19 May, 2026

    86.6 °F

Climate (2021–Present)

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

    60.8 °F

  • Average High 2021–2026

    73.2 °F
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