San Joaquin River - Threemile Slough Entrance Weather Forecast

    • 59
    • 77

    Mostly Sunny

    • 63
    • 83

    Mostly Sunny

    • 62
    • 83

    Mostly Sunny

    • 59
    • 81

    Mostly Sunny

    • 58
    • 80

    Mostly Sunny

    • 58
    • 78

    Mostly Sunny

Today 22 Sep Sacramento County Delta

Sunny. Highs 77 to 84. West Winds up to 10 Mph.

Tonight 22 Sep Sacramento County Delta

Clear. Lows 53 to 59. West Winds up to 10 Mph. Gusts up to 20 Mph in the evening.

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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

    70 °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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