Lake Berryessa Weather Forecast

    • 65
    • 92

    Patchy Smoke

    • 69
    • 96

    Sunny

    • 69
    • 96

    Sunny

    • 66
    • 97

    Hot

    • 63
    • 93

    Sunny

    • 63
    • 90

    Sunny

Today 31 Jul North Bay Interior Mountains

Sunny. Highs in the lower 80s to mid 90s. Northwest Winds up to 5 Mph. Becoming southwest in the afternoon.

Tonight 31 Jul North Bay Interior Mountains

Clear except for smoke. Lows in the 50s to mid 60s. Light Winds.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Lake Berryessa Temperature Statistics

July Temperature

Vacaville Nut Tree Airport (20.5 miles)

  • Lowest 8 July, 2026

    54.6 °F

  • Average July

    78 °F

  • Highest 14 July, 2026

    106.6 °F

Climate (2021–2026)

Vacaville Nut Tree Airport (20.5 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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