Oso Flaco Lake Weather Forecast

    • 50
    • 64

    Patchy Fog

    • 46
    • 62

    Partly Sunny

    • 54
    • 74

    Sunny

    • 57
    • 82

    Mostly Sunny

    • 55
    • 81

    Mostly Sunny

    • 53
    • 74

    Mostly Sunny

Today 9 Mar San Luis Obispo County Beaches

Areas of low Clouds and fog in the morning then sunny. Highs in the 60s.

Tonight 9 Mar San Luis Obispo County Beaches

Cloudy. Patchy fog after midnight. Lows around 50.

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  • Temperature Real-Time

Oso Flaco Lake Temperature Statistics

March Temperature

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

  • Lowest 6 March, 2026

    43 °F

  • Average March

    56.7 °F

  • Highest 3 March, 2026

    72 °F

Climate (2021–Present)

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

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  • Average Low 2021–2026

    48.1 °F

  • Average 2021–2026

    56.9 °F

  • Average High 2021–2026

    69 °F
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