Montana De Oro State Park Weather Forecast

    • 57
    • 73

    Increasing Clouds

    • 58
    • 72

    Mostly Cloudy

    • 57
    • 75

    Partly Sunny

    • 58
    • 75

    Mostly Sunny

    • 58
    • 74

    Partly Sunny

    • 55
    • 69

    Partly Sunny

    • 54
    • 68

    Partly Sunny

Today 28 Jul Santa Lucia Mountains

Sunny except for patchy low Clouds and fog in the morning. Highs 90 to 100 except the mid to upper 70s closer to the coast. Northwest Winds around 15 Mph.

Tonight 28 Jul Santa Lucia Mountains

Mostly clear. Lows in the mid 50s to mid 60s. Northwest Winds 15 to 25 Mph in the evening.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Montana De Oro State Park Temperature Statistics

July Temperature

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

  • Lowest 3 July, 2026

    51.7 °F

  • Average July

    68 °F

  • Highest 21 July, 2026

    90.6 °F

Climate (2021–2026)

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

    60.9 °F

  • Average High 2021–2026

    73.2 °F
Get WillyWeather+ to remove ads