Lopez Lake Weather Forecast

    • 53
    • 74

    Mostly Cloudy

    • 52
    • 69

    Partly Sunny

    • 57
    • 79

    Mostly Sunny

    • 61
    • 86

    Mostly Sunny

    • 60
    • 86

    Mostly Sunny

    • 59
    • 82

    Partly Sunny

Today 20 Sep Santa Lucia Mountains

Mostly cloudy except for patchy low Clouds and fog. Highs in the upper 70s and 80s except around 70 closer to the coast.

Tonight 20 Sep Santa Lucia Mountains

Mostly cloudy. Patchy fog after midnight. Lows in the 50s.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Lopez Lake Temperature Statistics

September Temperature

San Luis Obispo, San Luis Obispo County-Mc Chesney Field (9.3 miles)

  • Lowest 7 September, 2026

    49.6 °F

  • Average September

    69.7 °F

  • Highest 9 September, 2026

    107.7 °F

Climate (2021–2026)

San Luis Obispo, San Luis Obispo County-Mc Chesney Field (9.3 miles)

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

  • Average Low 2021–2026

    50.2 °F

  • Average 2021–2026

    61.1 °F

  • Average High 2021–2026

    73.3 °F
Get WillyWeather+ to remove ads