San Joaquin River - Threemile Slough Entrance Weather Forecast

    • 59
    • 80

    Sunny

    • 59
    • 74

    Mostly Sunny

    • 60
    • 75

    Mostly Sunny

    • 61
    • 80

    Mostly Sunny

    • 61
    • 81

    Mostly Sunny

    • 60
    • 77

    Mostly Sunny

    • 61
    • 78

    Mostly Sunny

Today 15 Sep Sacramento County Delta

Sunny. Highs 81 to 88. Southwest Winds up to 10 Mph. Gusts up to 20 Mph in the afternoon.

Tonight 15 Sep Sacramento County Delta

Clear. Lows 54 to 60. Southwest Winds 10 to 15 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

    71.1 °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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