Oso Flaco Lake Weather Forecast

    • 55
    • 77

    Sunny

    • 55
    • 79

    Sunny

    • 56
    • 81

    Mostly Sunny

    • 56
    • 80

    Sunny

    • 57
    • 82

    Sunny

    • 54
    • 80

    Sunny

    • 51
    • 74

    Partly Sunny

Today 15 Mar San Luis Obispo County Beaches

Sunny. Highs in the mid 70s to around 80. North Winds around 15 Mph.

Tonight 15 Mar San Luis Obispo County Beaches

Clear. Lows in the mid 50s to around 60.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Oso Flaco Lake Temperature Statistics

March Temperature

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

  • Lowest 7 March, 2026

    41 °F

  • Average March

    59.3 °F

  • Highest 12 March, 2026

    87.1 °F

Climate (2021–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 2021–2026

    48.1 °F

  • Average 2021–2026

    56.9 °F

  • Average High 2021–2026

    69 °F
Get WillyWeather+ to remove ads