Prospect Slough - French Island Weather Forecast

    • 34
    • 50

    Increasing Clouds

    • 36
    • 50

    Mostly Cloudy

    • 36
    • 51

    Mostly Cloudy

    • 39
    • 52

    Partly Sunny

    • 41
    • 55

    Mostly Cloudy

    • 42
    • 57

    Partly Sunny

Today 9 Jan Carquinez Strait and Delta

Areas of frost in the morning. Mostly sunny. Highs around 51. Northeast Winds up to 10 Mph with Gusts to around 20 Mph.

Tonight 9 Jan Carquinez Strait and Delta

Mostly clear. Patchy frost after midnight. Lows around 36. Light Winds.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Prospect Slough - French Island Temperature Statistics

January Temperature

Fairfield / Travis Air Force Base (13.7 miles)

  • Lowest 6 January, 2026

    44.8 °F

  • Average January

    53.5 °F

  • Highest 3 January, 2026

    63.7 °F

Climate (2021–Present)

Fairfield / Travis Air Force Base (13.7 miles)

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

  • Average Low 2021–2026

    48.7 °F

  • Average 2021–2026

    60.5 °F

  • Average High 2021–2026

    74.9 °F
Get WillyWeather+ to remove ads