Milliken Reservoir Weather Forecast

    • 53
    • 69

    Increasing Clouds

    • 50
    • 64

    Mostly Sunny

    • 50
    • 69

    Mostly Sunny

    • 53
    • 74

    Mostly Sunny

    • 53
    • 75

    Mostly Sunny

    • 54
    • 78

    Mostly Sunny

Today 18 Jun North Bay Interior Mountains

Partly cloudy in the morning then becoming sunny. Highs in the mid 60s to lower 80s. Southwest Winds 5 to 10 Mph.

Tonight 18 Jun North Bay Interior Mountains

Partly cloudy in the evening then becoming mostly cloudy. Lows in the mid 50s. Southwest Winds 5 to 10 Mph with Gusts to around 25 Mph.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Milliken Reservoir Temperature Statistics

June Temperature

Napa, Napa County Airport (11.8 miles)

  • Lowest 7 June, 2026

    45.6 °F

  • Average June

    66.7 °F

  • Highest 11 June, 2026

    96.7 °F

Climate (2021–2026)

Napa, Napa County Airport (11.8 miles)

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

  • Average Low 2021–2026

    47.3 °F

  • Average 2021–2026

    58.4 °F

  • Average High 2021–2026

    70.2 °F
Get WillyWeather+ to remove ads