Sacramento River - Long Island Weather Forecast

    • 56
    • 77

    Becoming Sunny

    • 57
    • 86

    Mostly Sunny

    • 57
    • 90

    Mostly Sunny

    • 56
    • 82

    Mostly Sunny

    • 56
    • 86

    Mostly Sunny

    • 57
    • 88

    Mostly Sunny

Today 17 Sep Sacramento County Delta

Mostly cloudy in the morning then clearing. Highs 73 to 78. South Winds up to 10 Mph shifting to the west around 10 Mph in the afternoon.

Tonight 17 Sep Sacramento County Delta

Clear. Lows 54 to 60. West Winds up to 10 Mph with Gusts to around 20 Mph.

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Sacramento River - Long Island Temperature Statistics

September Temperature

Fairfield / Travis Air Force Base (18.6 miles)

  • Lowest 8 September, 2026

    49.6 °F

  • Average September

    70.9 °F

  • Highest 10 September, 2026

    104.7 °F

Climate (2021–2026)

Fairfield / Travis Air Force Base (18.6 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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