Lake Cachuma Weather Forecast

    • 50
    • 84

    Slight Chance Thunderstorms

    • 46
    • 79

    Partly Sunny

    • 46
    • 81

    Mostly Sunny

    • 49
    • 82

    Mostly Sunny

    • 50
    • 85

    Partly Sunny

    • 51
    • 86

    Mostly Cloudy

Today 12 Aug Santa Ynez Valley

Low Clouds and fog in the morning then partly cloudy. A 20 percent chance of Showers and Thunderstorms in the afternoon. Highs in the upper 70s to mid 80s. Southwest Winds around 15 Mph in the afternoon.

Tonight 12 Aug Santa Ynez Valley

Mostly cloudy with a 20 percent chance of Showers and Thunderstorms. Lows in the upper 40s to mid 50s. West Winds around 15 Mph in the evening.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Lake Cachuma Temperature Statistics

August Temperature

Santa Ynez, Santa Ynez Airport (7.5 miles)

  • Lowest 4 August, 2026

    51.8 °F

  • Average August

    70.1 °F

  • Highest 9 August, 2026

    98.6 °F

Climate (2021–2026)

Santa Ynez, Santa Ynez Airport (7.5 miles)

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  • Average Low 2021–2026

    46.4 °F

  • Average 2021–2026

    58.7 °F

  • Average High 2021–2026

    75.2 °F
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