Oso Flaco Lake Weather Forecast

    • 45
    • 62

    Becoming Sunny

    • 46
    • 67

    Mostly Sunny

    • 45
    • 67

    Mostly Sunny

    • 45
    • 65

    Mostly Sunny

    • 47
    • 68

    Mostly Sunny

    • 47
    • 72

    Mostly Sunny

Today 2 Mar San Luis Obispo County Beaches

Low Clouds and fog in the morning then sunny. Highs in the upper 50s to mid 60s. Northwest Winds 15 to 25 Mph in the afternoon.

Tonight 2 Mar San Luis Obispo County Beaches

Mostly clear. Lows in the mid 40s to lower 50s. Northwest Winds 15 to 25 Mph in the evening.

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Oso Flaco Lake Temperature Statistics

March Temperature

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

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  • Average March

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Climate (2021–Present)

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

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  • Average Low 2021–2026

    48 °F

  • Average 2021–2026

    56.9 °F

  • Average High 2021–2026

    68.9 °F
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