Carquinez Strait - Port Costa Weather Forecast

    • 49
    • 70

    Becoming Sunny

    • 51
    • 74

    Mostly Sunny

    • 51
    • 74

    Mostly Sunny

    • 50
    • 69

    Partly Sunny

    • 49
    • 67

    Partly Sunny

    • 46
    • 62

    Mostly Sunny

Today 28 Apr East Bay Interior Valleys

Sunny. Highs in the mid 70s. West Winds 5 to 10 Mph.

Tonight 28 Apr East Bay Interior Valleys

Mostly clear. Lows in the upper 40s. Southwest Winds 5 to 10 Mph.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Carquinez Strait - Port Costa Temperature Statistics

April Temperature

Concord, Buchanan Field (8.1 miles)

  • Lowest 2 April, 2025

    39.7 °F

  • Average April

    60 °F

  • Highest 14 April, 2025

    84.7 °F

Climate (2020–Present)

Concord, Buchanan Field (8.1 miles)

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

  • Average Low 2020–2025

    50.9 °F

  • Average 2020–2025

    61.5 °F

  • Average High 2020–2025

    74.8 °F
Get WillyWeather+ to remove ads