Isleton Weather Forecast

    • 56
    • 86

    Sunny

    • 57
    • 89

    Increasing Clouds

    • 56
    • 82

    Mostly Cloudy

    • 56
    • 85

    Mostly Sunny

    • 58
    • 88

    Sunny

    • 62
    • 95

    Mostly Sunny

    • 62
    • 96

    Mostly Sunny

Today 18 Sep Sacramento County Delta

Mostly clear. Lows 60 to 65. Highs 86 to 96.

Tonight 18 Sep Sacramento County Delta

Clear. Lows 55 to 61. West Winds 10 to 15 Mph.

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  • Temperature Real-Time

Isleton Temperature Statistics

September Temperature

Fairfield / Travis Air Force Base (19.9 miles)

  • Lowest 8 September, 2026

    49.6 °F

  • Average September

    70.5 °F

  • Highest 10 September, 2026

    104.7 °F

Climate (2021–2026)

Fairfield / Travis Air Force Base (19.9 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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