San Joaquin River - Threemile Slough Entrance Weather Forecast

    • 68
    • 88

    Increasing Clouds

    • 67
    • 79

    Chance Rain Showers

    • 64
    • 75

    Chance Rain Showers

    • 64
    • 79

    Sunny

    • 66
    • 83

    Sunny

    • 68
    • 83

    Chance Rain Showers

Today 17 Sep Carquinez Strait and Delta

Sunny. Highs 91 to 97. West Winds up to 10 Mph with Gusts to around 20 Mph.

Tonight 17 Sep Carquinez Strait and Delta

Mostly clear. Lows 61 to 67. West 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 15 September, 2025

    55.9 °F

  • Average September

    69.5 °F

  • Highest 15 September, 2025

    94.6 °F

Climate (2020–Present)

Fairfield / Travis Air Force Base (18.6 miles)

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  • Average Low 2020–2025

    48.5 °F

  • Average 2020–2025

    60.5 °F

  • Average High 2020–2025

    75.5 °F
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