Oso Flaco Lake Weather Forecast

    • 34
    • 70

    Mostly Sunny

    • 35
    • 72

    Sunny

    • 36
    • 77

    Mostly Sunny

    • 35
    • 76

    Sunny

    • 40
    • 76

    Mostly Sunny

    • 50
    • 76

    Patchy Fog

    • 49
    • 70

    Patchy Fog

Today 12 Jan San Luis Obispo County Beaches

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

Tonight 12 Jan San Luis Obispo County Beaches

Clear. Lows in the 30s to lower 40s except around 50 in the Hills. 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

    53.2 °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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