Oso Flaco Lake Weather Forecast

    • 45
    • 66

    Partly Cloudy

    • 45
    • 67

    Mostly Sunny

    • 46
    • 69

    Sunny

    • 50
    • 72

    Sunny

    • 51
    • 72

    Mostly Sunny

    • 51
    • 72

    Partly Sunny

    • 49
    • 72

    Partly Sunny

Today 11 Jan San Luis Obispo County Beaches

Mostly cloudy in the morning then sunny. Highs in the mid 60s to around 70. Northeast Winds 15 to 25 Mph.

Tonight 11 Jan San Luis Obispo County Beaches

Mostly clear in the evening then partly cloudy. Lows in the mid 40s to lower 50s. Northeast Winds around 15 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Oso Flaco Lake Temperature Statistics

January Temperature

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

  • Lowest 9 January, 2026

    35.1 °F

  • Average January

    53.8 °F

  • Highest 2 January, 2026

    66 °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

    56.8 °F

  • Average High 2021–2026

    68.8 °F
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