Prospect Slough - French Island Weather Forecast

    • 55
    • 62

    Rain

    • 50
    • 67

    Mostly Cloudy

    • 51
    • 68

    Mostly Cloudy

    • 52
    • 69

    Mostly Cloudy

    • 52
    • 69

    Mostly Cloudy

    • 48
    • 66

    Partly Sunny

Today 24 Feb Carquinez Strait and Delta

Mostly cloudy. A slight chance of rain early in the Morning, then a chance of rain in the late morning and early afternoon. Rain late in the afternoon. Highs 60 to 66. Southeast Winds 10 to 15 Mph.

Tonight 24 Feb Carquinez Strait and Delta

Cloudy. Rain in the Evening, then a chance of rain after midnight. Lows around 55. South Winds up to 10 Mph.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Prospect Slough - French Island Temperature Statistics

February Temperature

Fairfield / Travis Air Force Base (13.7 miles)

  • Lowest 20 February, 2026

    30.9 °F

  • Average February

    50.6 °F

  • Highest 6 February, 2026

    71.4 °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

    60.4 °F

  • Average High 2021–2026

    74.8 °F
Get WillyWeather+ to remove ads