Prospect Slough - French Island Weather Forecast

    • 59
    • 94

    Breezy

    • 62
    • 82

    Chance Rain Showers

    • 53
    • 75

    Mostly Sunny

    • 58
    • 79

    Partly Sunny

    • 56
    • 76

    Mostly Sunny

    • 56
    • 78

    Mostly Sunny

    • 57
    • 84

    Sunny

Today 15 Sep Carquinez Strait and Delta

Mostly clear in the evening then becoming mostly cloudy. Breezy. Lows 58 to 64. West Winds 15 to 25 Mph with Gusts to around 35 Mph shifting to the southwest 10 to 15 Mph with Gusts to around 25 Mph after midnight.

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Prospect Slough - French Island Temperature Statistics

September Temperature

Fairfield / Travis Air Force Base (13.7 miles)

  • Lowest 8 September, 2019

    51.1 °F
  • Average September

    72.2 °F
  • Highest 13 September, 2019

    102.7 °F

Climate (2010–Present)

Fairfield / Travis Air Force Base (13.7 miles)

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  • Average Low 2010–Present

    49 °F
  • Average 2010–Present

    60.4 °F
  • Average High 2010–Present

    74.1 °F
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