Oso Flaco Lake Weather Forecast

    • 53
    • 66

    Patchy Fog

    • 54
    • 66

    Patchy Fog

    • 54
    • 65

    Patchy Fog

    • 52
    • 60

    Patchy Fog

    • 51
    • 59

    Cloudy

    • 51
    • 57

    Patchy Fog

Today 29 May San Luis Obispo County Beaches

Sunny except for patchy low Clouds and fog in the morning. Highs from the mid 60s to around 70 at the Beaches to the mid 70s inland. Northwest Winds 15 to 25 Mph.

Tonight 29 May San Luis Obispo County Beaches

Mostly clear early then low Clouds and fog. Lows in the lower to mid 50s. Northwest Winds 15 to 25 Mph in the evening.

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Oso Flaco Lake Temperature Statistics

May Temperature

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

  • Lowest 5 May, 2025

    43.6 °F

  • Average May

    57.5 °F

  • Highest 10 May, 2025

    84.7 °F

Climate (2020–Present)

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

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  • Average Low 2020–2025

    48 °F

  • Average 2020–2025

    56.7 °F

  • Average High 2020–2025

    69 °F
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