Oso Flaco Lake Weather Forecast

    • 45
    • 60

    Partly Sunny

    • 46
    • 63

    Mostly Sunny

    • 47
    • 63

    Partly Sunny

    • 45
    • 64

    Sunny

    • 47
    • 66

    Partly Sunny

    • 47
    • 66

    Partly Sunny

Today 13 Apr San Luis Obispo County Beaches

Partly cloudy with a 20 percent chance of Showers. Highs in the upper 50s to mid 60s. Northwest Winds 15 to 25 Mph in the afternoon.

Tonight 13 Apr San Luis Obispo County Beaches

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

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Oso Flaco Lake Temperature Statistics

April Temperature

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

  • Lowest 4 April, 2026

    43.6 °F

  • Average April

    61.9 °F

  • Highest 4 April, 2026

    87.7 °F

Climate (2021–Present)

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

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  • Average Low 2021–2026

    48.2 °F

  • Average 2021–2026

    57.1 °F

  • Average High 2021–2026

    69.3 °F
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