Prospect Slough - French Island Weather Forecast

    • 50
    • 72

    Sunny

    • 51
    • 75

    Sunny

    • 53
    • 78

    Sunny

    • 57
    • 84

    Sunny

    • 55
    • 86

    Sunny

    • 56
    • 86

    Sunny

    • 54
    • 79

    Mostly Sunny

Today 12 Oct Central Solano County Including Fairfield and Vacaville

Mostly sunny. Highs around 72.

Tonight 12 Oct Central Solano County Including Fairfield and Vacaville

Clear. Lows 48 to 54. West Winds up to 10 Mph.

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Prospect Slough - French Island Temperature Statistics

October Temperature

Fairfield / Travis Air Force Base (13.7 miles)

  • Lowest 1 October, 2026

    53.4 °F

  • Average October

    75.2 °F

  • Highest 5 October, 2026

    101.1 °F

Climate (2021–2026)

Fairfield / Travis Air Force Base (13.7 miles)

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  • Average Low 2021–2026

    49 °F

  • Average 2021–2026

    60.5 °F

  • Average High 2021–2026

    74.7 °F
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