Carquinez Strait - Mare Island Strait Entrance Weather Forecast

    • 60
    • 77

    Becoming Sunny

    • 59
    • 71

    Mostly Sunny

    • 57
    • 68

    Mostly Sunny

    • 58
    • 71

    Mostly Sunny

    • 57
    • 73

    Mostly Sunny

    • 57
    • 68

    Partly Sunny

Today 10 Sep Southwestern Solano County Including Vallejo

Partly cloudy in the morning then clearing. Highs 85 to 95. Southwest Winds 10 to 15 Mph with Gusts to around 25 Mph.

Tonight 10 Sep Southwestern Solano County Including Vallejo

Clear. Lows around 61. Southwest Winds 10 to 20 Mph with Gusts to around 30 Mph.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Carquinez Strait - Mare Island Strait Entrance Temperature Statistics

September Temperature

Napa, Napa County Airport (9.3 miles)

  • Lowest 6 September, 2026

    45.6 °F

  • Average September

    65.7 °F

  • Highest 8 September, 2026

    93 °F

Climate (2021–2026)

Napa, Napa County Airport (9.3 miles)

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

  • Average Low 2021–2026

    47.3 °F

  • Average 2021–2026

    58.5 °F

  • Average High 2021–2026

    70.3 °F
Get WillyWeather+ to remove ads