Oso Flaco Lake Weather Forecast

    • 45
    • 59

    Slight Chance Rain

    • 45
    • 60

    Mostly Sunny

    • 46
    • 63

    Mostly Sunny

    • 49
    • 63

    Partly Sunny

    • 46
    • 63

    Mostly Sunny

    • 47
    • 65

    Mostly Sunny

Today 12 Apr San Luis Obispo County Beaches

Rain likely in the Morning, then a chance of rain in the afternoon. Highs around 60. West Winds around 15 Mph in the afternoon. Chance of precipitation 70 percent.

Tonight 12 Apr San Luis Obispo County Beaches

Mostly clear in the evening then partly cloudy. Lows in the mid to upper 40s.

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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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