Oso Flaco Lake Weather Forecast

    • 51
    • 59

    Dense Fog

    • 56
    • 70

    Partly Sunny

    • 52
    • 71

    Mostly Sunny

    • 52
    • 70

    Mostly Sunny

    • 50
    • 70

    Mostly Cloudy

    • 52
    • 66

    Mostly Cloudy

    • 54
    • 64

    Mostly Cloudy

Today 14 Dec San Luis Obispo County Beaches

Low Clouds and fog mostly clearing in the afternoon. Fog locally dense with visibility one quarter mile or less. Highs around 60.

Tonight 14 Dec San Luis Obispo County Beaches

Areas of low Clouds and fog. Fog locally dense with visibility one quarter mile or less. Lows around 50.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Oso Flaco Lake Temperature Statistics

December Temperature

Santa Maria Public Airport/Capt G Allan Hancock Field (13 miles)

  • Lowest 4 December, 2025

    37.9 °F

  • Average December

    55 °F

  • Highest 9 December, 2025

    81 °F

Climate (2020–Present)

Santa Maria Public Airport/Capt G Allan Hancock Field (13 miles)

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

  • Average Low 2020–2025

    47.9 °F

  • Average 2020–2025

    56.7 °F

  • Average High 2020–2025

    68.8 °F
Get WillyWeather+ to remove ads