Oso Flaco Lake Weather Forecast

    • 44
    • 69

    Increasing Clouds

    • 46
    • 70

    Mostly Cloudy

    • 47
    • 64

    Partly Sunny

    • 50
    • 64

    Chance Rain

    • 49
    • 63

    Chance Rain

    • 48
    • 62

    Partly Sunny

Today 17 Apr San Luis Obispo County Beaches

Sunny. Highs in the upper 60s to mid 70s. West Winds around 15 Mph in the afternoon.

Tonight 17 Apr San Luis Obispo County Beaches

Mostly clear in the evening then partly cloudy. Lows in the 40s to lower 50s.

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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

    60.5 °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

    57.2 °F

  • Average High 2021–2026

    69.3 °F
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