Suisun Bay - Snag Island Weather Forecast

    • 53
    • 59

    Mostly Cloudy

    • 55
    • 59

    Rain

    • 56
    • 58

    Rain

    • 55
    • 59

    Rain

    • 51
    • 56

    Rain Likely

    • 51
    • 53

    Rain

Today 18 Dec Carquinez Strait and Delta

Widespread fog. Locally dense in the morning. Mostly cloudy. Highs around 58. Light Winds.

Tonight 18 Dec Carquinez Strait and Delta

Mostly cloudy. Patchy fog through the night. A slight chance of rain Showers after midnight. Lows around 50. South Winds up to 10 Mph.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Suisun Bay - Snag Island Temperature Statistics

December Temperature

Concord, Buchanan Field (6.8 miles)

  • Lowest 4 December, 2025

    37.9 °F

  • Average December

    44.4 °F

  • Highest 3 December, 2025

    64.9 °F

Climate (2020–Present)

Concord, Buchanan Field (6.8 miles)

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

  • Average Low 2020–2025

    50.8 °F

  • Average 2020–2025

    61.2 °F

  • Average High 2020–2025

    74.2 °F
Get WillyWeather+ to remove ads