Oso Flaco Lake Weather Forecast

    • 50
    • 62

    Becoming Sunny

    • 45
    • 66

    Breezy

    • 47
    • 69

    Mostly Sunny

    • 48
    • 67

    Partly Sunny

    • 49
    • 64

    Partly Sunny

    • 50
    • 63

    Chance Rain

    • 48
    • 63

    Partly Sunny

Today 15 Apr San Luis Obispo County Beaches

Partly cloudy. Highs in the 60s. Northwest Winds 15 to 25 Mph in the afternoon.

Tonight 15 Apr San Luis Obispo County Beaches

Partly cloudy in the evening then mostly clear. Lows in the mid 40s to mid 50s. Northwest Winds 15 to 25 Mph in the evening.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

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

    61.1 °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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