Threemile Slough - Mackenson Weather Forecast

    • 63
    • 83

    Increasing Clouds

    • 59
    • 78

    Mostly Sunny

    • 58
    • 75

    Mostly Sunny

    • 53
    • 72

    Mostly Sunny

    • 57
    • 82

    Sunny

    • 60
    • 87

    Sunny

Today 24 Sep Sacramento County Delta

Mostly sunny. Highs 84 to 91. West Winds up to 10 Mph. Gusts up to 20 Mph in the afternoon.

Tonight 24 Sep Sacramento County Delta

Mostly clear. Lows 57 to 64. West Winds 10 to 15 Mph. Gusts up to 30 Mph after midnight.

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Threemile Slough - Mackenson Temperature Statistics

September Temperature

Fairfield / Travis Air Force Base (17.4 miles)

  • Lowest 8 September, 2026

    49.6 °F

  • Average September

    69.2 °F

  • Highest 10 September, 2026

    104.7 °F

Climate (2021–2026)

Fairfield / Travis Air Force Base (17.4 miles)

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  • Average Low 2021–2026

    48.9 °F

  • Average 2021–2026

    60.5 °F

  • Average High 2021–2026

    74.6 °F
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