San Joaquin River - Threemile Slough Entrance Weather Forecast

    • 59
    • 75

    Sunny

    • 63
    • 81

    Sunny

    • 71
    • 84

    Partly Sunny

    • 74
    • 91

    Partly Sunny

    • 68
    • 92

    Mostly Sunny

    • 63
    • 85

    Mostly Sunny

    • 62
    • 81

    Mostly Sunny

Today 6 Sep Sacramento County Delta

Sunny. Highs 76 to 82. Southwest Winds 10 to 15 Mph.

Tonight 6 Sep Sacramento County Delta

Clear. Lows around 56. Southwest Winds up to 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 4 September, 2026

    55 °F

  • Average September

    66.2 °F

  • Highest 2 September, 2026

    78.8 °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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