Prospect Slough - French Island Weather Forecast

    • 51
    • 60

    Rain Showers

    • 38
    • 55

    Rain Showers

    • 41
    • 55

    Rain Showers Likely

    • 43
    • 55

    Rain Showers

    • 35
    • 54

    Chance Rain Showers

    • 34
    • 54

    Mostly Sunny

Today 3 Feb Carquinez Strait and Delta

Mostly cloudy. A slight chance of rain Showers early in the morning. A chance of rain Showers late in the Morning, then a slight chance of rain Showers early in the afternoon. A chance of rain Showers late in the afternoon. Highs 58 to 64. South Winds 10 to 20 Mph with Gusts to around 30 Mph.

Tonight 3 Feb Carquinez Strait and Delta

Rain Showers. Lows around 51. South Winds 10 to 20 Mph with Gusts to around 35 Mph.

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Prospect Slough - French Island Temperature Statistics

February Temperature

Fairfield / Travis Air Force Base (13.7 miles)

  • Lowest 1 February, 2025

    49.6 °F

  • Average February

    53.4 °F

  • Highest 1 February, 2025

    58.5 °F

Climate (2020–Present)

Fairfield / Travis Air Force Base (13.7 miles)

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  • Average Low 2020–2025

    48.5 °F

  • Average 2020–2025

    60.7 °F

  • Average High 2020–2025

    75.9 °F
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