Montana De Oro State Park Weather Forecast

    • 52
    • 62

    Patchy Fog

    • 53
    • 61

    Mostly Cloudy

    • 52
    • 62

    Patchy Fog

    • 52
    • 63

    Partly Sunny

    • 53
    • 65

    Mostly Cloudy

    • 53
    • 64

    Mostly Cloudy

Today 30 Jun Santa Lucia Mountains

Cloudy in the morning then partly cloudy. Highs in the mid 60s to mid 70s. West Winds around 15 Mph in the afternoon.

Tonight 30 Jun Santa Lucia Mountains

Low Clouds and fog developing. Lows in the mid 40s to around 50.

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Montana De Oro State Park Temperature Statistics

June Temperature

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

  • Lowest 7 June, 2026

    45.6 °F

  • Average June

    64.5 °F

  • Highest 10 June, 2026

    85.6 °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

    60.9 °F

  • Average High 2021–2026

    73.2 °F
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