Oso Flaco Lake Weather Forecast

    • 44
    • 63

    Mostly Cloudy

    • 41
    • 64

    Decreasing Clouds

    • 45
    • 66

    Partly Sunny

    • 45
    • 64

    Mostly Sunny

    • 44
    • 67

    Mostly Sunny

    • 46
    • 68

    Partly Sunny

    • 47
    • 68

    Mostly Cloudy

Today 25 Jan San Luis Obispo County Beaches

Partly cloudy in the morning then mostly cloudy. Highs in the lower to mid 60s.

Tonight 25 Jan San Luis Obispo County Beaches

Mostly cloudy. Lows in the 40s to around 50.

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Oso Flaco Lake Temperature Statistics

January Temperature

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

  • Lowest 9 January, 2026

    34.6 °F

  • Average January

    54.8 °F

  • Highest 15 January, 2026

    79.6 °F

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

    56.7 °F

  • Average High 2021–2026

    68.8 °F
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