Oso Flaco Lake Weather Forecast

    • 47
    • 61

    Patchy Fog

    • 43
    • 59

    Patchy Fog

    • 43
    • 61

    Mostly Sunny

    • 43
    • 63

    Mostly Cloudy

    • 42
    • 63

    Mostly Sunny

    • 46
    • 63

    Mostly Cloudy

    • 45
    • 62

    Patchy Fog

Today 22 Jan San Luis Obispo County Beaches

Mostly cloudy. Isolated Showers in the Morning, then a slight chance of rain in the afternoon. Highs in the lower 60s. Chance of precipitation 20 percent.

Tonight 22 Jan San Luis Obispo County Beaches

Partly cloudy in the evening then Areas of low Clouds and fog. Lows in the mid 40s to around 50.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Oso Flaco Lake Temperature Statistics

January Temperature

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

  • Lowest 9 January, 2026

    35.1 °F

  • Average January

    54.1 °F

  • Highest 15 January, 2026

    79 °F

Climate (2021–Present)

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

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  • Average Low 2021–2026

    48 °F

  • Average 2021–2026

    56.7 °F

  • Average High 2021–2026

    68.8 °F
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