San Joaquin River - Threemile Slough Entrance Weather Forecast

    • 58
    • 77

    Increasing Clouds

    • 59
    • 75

    Mostly Sunny

    • 57
    • 70

    Mostly Sunny

    • 59
    • 78

    Sunny

    • 60
    • 86

    Sunny

    • 60
    • 85

    Sunny

Today 25 Sep Sacramento County Delta

Mostly sunny. Highs 78 to 84. West Winds 10 to 15 Mph with Gusts to around 30 Mph.

Tonight 25 Sep Sacramento County Delta

Mostly clear. Lows 53 to 58. West Winds around 10 Mph with Gusts to around 20 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

San Joaquin River - Threemile Slough Entrance Temperature Statistics

September Temperature

Fairfield / Travis Air Force Base (18.6 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 (18.6 miles)

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  • Average Low 2021–2026

    48.9 °F

  • Average 2021–2026

    60.5 °F

  • Average High 2021–2026

    74.6 °F
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