San Joaquin River - Threemile Slough Entrance Weather Forecast

    • 63
    • 83

    Sunny

    • 64
    • 84

    Mostly Sunny

    • 63
    • 82

    Mostly Sunny

    • 62
    • 79

    Mostly Sunny

    • 61
    • 78

    Mostly Sunny

    • 62
    • 78

    Mostly Sunny

Today 24 Aug Carquinez Strait and Delta

Mostly sunny. Highs 85 to 91. West Winds 10 to 15 Mph with Gusts to around 25 Mph.

Tonight 24 Aug Carquinez Strait and Delta

Clear. Lows 58 to 64. West Winds 10 to 15 Mph with Gusts to around 25 Mph.

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San Joaquin River - Threemile Slough Entrance Temperature Statistics

August Temperature

Fairfield / Travis Air Force Base (18.6 miles)

  • Lowest 18 August, 2025

    56.3 °F

  • Average August

    73.3 °F

  • Highest 21 August, 2025

    104 °F

Climate (2020–Present)

Fairfield / Travis Air Force Base (18.6 miles)

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  • Average Low 2020–2025

    48.4 °F

  • Average 2020–2025

    60.5 °F

  • Average High 2020–2025

    75.5 °F
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