Lake Berryessa SPB Weather Forecast

    • 48
    • 60

    Dense Fog

    • 50
    • 58

    Increasing Clouds

    • 51
    • 58

    Rain

    • 53
    • 57

    Rain

    • 50
    • 58

    Rain

    • 46
    • 54

    Rain Likely

    • 47
    • 51

    Rain

Today 17 Dec North Bay Interior Mountains

Partly cloudy. Highs in the mid 50s to lower 60s. West Winds around 5 Mph.

Tonight 17 Dec North Bay Interior Mountains

Partly cloudy in the evening then becoming mostly cloudy. Patchy fog in the evening. Areas of dense fog after midnight. Lows in the upper 40s. North Winds around 5 Mph in the evening. Becoming light.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Lake Berryessa SPB Temperature Statistics

December Temperature

Vacaville Nut Tree Airport (21.7 miles)

  • Lowest 1 December, 2025

    36 °F

  • Average December

    43.5 °F

  • Highest 3 December, 2025

    64.9 °F

Climate (2020–Present)

Vacaville Nut Tree Airport (21.7 miles)

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  • Average Low 2020–2025

    49.1 °F

  • Average 2020–2025

    62.8 °F

  • Average High 2020–2025

    76.8 °F
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