Sacramento River - Decker Island Weather Forecast

    • 71
    • 86

    Increasing Clouds

    • 74
    • 93

    Mostly Sunny

    • 65
    • 88

    Mostly Sunny

    • 61
    • 82

    Mostly Sunny

    • 60
    • 79

    Mostly Sunny

    • 60
    • 81

    Mostly Sunny

Today 8 Sep Central Solano County Including Fairfield and Vacaville

Sunny. Highs 91 to 97. North Winds up to 10 Mph with Gusts to around 20 Mph.

Tonight 8 Sep Central Solano County Including Fairfield and Vacaville

Mostly clear. Lows 67 to 72. West Winds up to 10 Mph.

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Sacramento River - Decker Island Temperature Statistics

September Temperature

Fairfield / Travis Air Force Base (16.8 miles)

  • Lowest 5 September, 2026

    54.5 °F

  • Average September

    66.6 °F

  • Highest 5 September, 2026

    84 °F

Climate (2021–2026)

Fairfield / Travis Air Force Base (16.8 miles)

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  • Average Low 2021–2026

    48.9 °F

  • Average 2021–2026

    60.5 °F

  • Average High 2021–2026

    74.7 °F
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