Oso Flaco Lake Weather Forecast

    • 45
    • 62

    Mostly Sunny

    • 40
    • 57

    Mostly Sunny

    • 40
    • 60

    Sunny

    • 42
    • 62

    Patchy Fog

    • 44
    • 65

    Partly Sunny

    • 47
    • 66

    Sunny

Today 7 Jan San Luis Obispo County Beaches

Mostly cloudy in the morning then partly cloudy. Highs in the upper 50s to mid 60s. Northwest Winds around 15 Mph in the afternoon.

Tonight 7 Jan San Luis Obispo County Beaches

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

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Oso Flaco Lake Temperature Statistics

January Temperature

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

  • Lowest 5 January, 2026

    43 °F

  • Average January

    55.6 °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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