Lake Berryessa SPB Weather Forecast

    • 56
    • 74

    Becoming Sunny

    • 57
    • 80

    Mostly Sunny

    • 58
    • 83

    Partly Sunny

    • 57
    • 80

    Partly Sunny

    • 60
    • 84

    Partly Sunny

    • 61
    • 85

    Mostly Sunny

Today 14 Aug North Bay Interior Mountains

Mostly cloudy in the morning then becoming sunny. Patchy fog in the morning. Highs in the lower 60s to mid 70s. South Winds 5 to 10 Mph.

Tonight 14 Aug North Bay Interior Mountains

Mostly cloudy. Areas of fog. Lows in the 50s. South Winds up to 5 Mph.

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Lake Berryessa SPB Temperature Statistics

August Temperature

Vacaville Nut Tree Airport (21.7 miles)

  • Lowest 12 August, 2026

    59 °F

  • Average August

    81 °F

  • Highest 3 August, 2026

    105.7 °F

Climate (2021–2026)

Vacaville Nut Tree Airport (21.7 miles)

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  • Average Low 2021–2026

    49.3 °F

  • Average 2021–2026

    62.9 °F

  • Average High 2021–2026

    76.9 °F
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