Montana De Oro State Park Weather Forecast

    • 52
    • 71

    Mostly Sunny

    • 53
    • 72

    Partly Sunny

    • 50
    • 68

    Partly Sunny

    • 49
    • 59

    Partly Sunny

    • 50
    • 62

    Partly Sunny

    • 51
    • 61

    Partly Sunny

Today 19 May Santa Lucia Mountains

Sunny. Highs in the upper 70s.

Tonight 19 May Santa Lucia Mountains

Mostly clear. Lows in the lower 50s.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Montana De Oro State Park Temperature Statistics

May Temperature

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

  • Lowest 16 May, 2026

    45.6 °F

  • Average May

    60.3 °F

  • Highest 11 May, 2026

    78.7 °F

Climate (2021–Present)

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

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2021–2026

    50.2 °F

  • Average 2021–2026

    60.8 °F

  • Average High 2021–2026

    73.2 °F
Get WillyWeather+ to remove ads