Montana De Oro State Park Weather Forecast

    • 48
    • 58

    Patchy Fog

    • 50
    • 63

    Breezy

    • 52
    • 71

    Mostly Sunny

    • 54
    • 71

    Mostly Sunny

    • 57
    • 77

    Mostly Sunny

    • 55
    • 77

    Mostly Cloudy

    • 51
    • 72

    Partly Sunny

Today 17 May Santa Lucia Mountains

Low Clouds and fog mostly clearing in the afternoon. Highs in the upper 50s and 60s. Northwest Winds 15 to 25 Mph with local Gusts to 40 Mph.

Tonight 17 May Santa Lucia Mountains

Partly cloudy. Lows in the 40s. Northwest Winds 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 12 May, 2025

    43.6 °F

  • Average May

    59.3 °F

  • Highest 9 May, 2025

    89.7 °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

    50 °F

  • Average 2020–2025

    60.2 °F

  • Average High 2020–2025

    72.9 °F
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