Lake Berryessa Weather Forecast

    • 58
    • 84

    Sunny

    • 57
    • 77

    Mostly Sunny

    • 59
    • 80

    Mostly Sunny

    • 60
    • 84

    Sunny

    • 61
    • 87

    Mostly Sunny

    • 59
    • 85

    Mostly Sunny

Today 15 Sep North Bay Interior Mountains

Sunny. Highs in the 70s to mid 80s. Southeast Winds up to 5 Mph. Becoming southwest in the afternoon.

Tonight 15 Sep North Bay Interior Mountains

Mostly clear. Lows in the 50s. Southwest Winds 5 to 10 Mph in the evening. Becoming light.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Lake Berryessa Temperature Statistics

September Temperature

Vacaville Nut Tree Airport (20.5 miles)

  • Lowest 5 September, 2026

    49.6 °F

  • Average September

    73.3 °F

  • Highest 10 September, 2026

    107.7 °F

Climate (2021–2026)

Vacaville Nut Tree Airport (20.5 miles)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2021–2026

    49.3 °F

  • Average 2021–2026

    62.9 °F

  • Average High 2021–2026

    76.8 °F
Get WillyWeather+ to remove ads