San Joaquin River - Threemile Slough Entrance Weather Forecast

    • 59
    • 77

    Sunny

    • 60
    • 75

    Sunny

    • 60
    • 81

    Sunny

    • 58
    • 82

    Mostly Sunny

    • 59
    • 82

    Sunny

    • 59
    • 84

    Mostly Sunny

    • 59
    • 84

    Mostly Sunny

Today 12 Sep Sacramento County Delta

Sunny. Haze in the afternoon. Highs 79 to 85. Southwest Winds 10 to 20 Mph with Gusts to around 30 Mph.

Tonight 12 Sep Sacramento County Delta

Haze in the evening. Clear. Lows 53 to 60. West Winds 10 to 20 Mph with Gusts to around 35 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

    71.7 °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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