Oso Flaco Lake Weather Forecast

    • 45
    • 61

    Mostly Sunny

    • 46
    • 67

    Mostly Sunny

    • 53
    • 68

    Mostly Sunny

    • 53
    • 66

    Partly Sunny

    • 52
    • 63

    Patchy Fog

    • 53
    • 63

    Patchy Fog

    • 53
    • 64

    Patchy Fog

Today 15 Oct San Luis Obispo County Beaches

Sunny. Highs in the upper 50s to mid 60s. West Winds around 15 Mph in the afternoon.

Tonight 15 Oct San Luis Obispo County Beaches

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

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Oso Flaco Lake Temperature Statistics

October Temperature

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

  • Lowest 4 October, 2025

    48.9 °F

  • Average October

    61.5 °F

  • Highest 12 October, 2025

    80.1 °F

Climate (2020–Present)

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

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  • Average Low 2020–2025

    47.9 °F

  • Average 2020–2025

    56.7 °F

  • Average High 2020–2025

    68.8 °F
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