Isleton Weather Forecast

    • 57
    • 78

    Becoming Sunny

    • 56
    • 78

    Mostly Sunny

    • 56
    • 78

    Mostly Sunny

    • 55
    • 77

    Mostly Sunny

    • 56
    • 83

    Mostly Sunny

    • 56
    • 88

    Mostly Sunny

Today 23 Jul Carquinez Strait and Delta

Mostly sunny. Near the Bay, mostly cloudy in the morning then clearing. Highs 73 to 79. West Winds 10 to 15 Mph with Gusts to around 25 Mph.

Tonight 23 Jul Carquinez Strait and Delta

Clear. Near the Bay, mostly clear in the evening then becoming mostly cloudy. Mostly clear. Lows around 56. West Winds 10 to 15 Mph with Gusts to around 30 Mph.

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Isleton Temperature Statistics

July Temperature

Fairfield / Travis Air Force Base (19.9 miles)

  • Lowest 5 July, 2025

    52.9 °F

  • Average July

    69.4 °F

  • Highest 11 July, 2025

    99.9 °F

Climate (2020–Present)

Fairfield / Travis Air Force Base (19.9 miles)

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  • Average Low 2020–2025

    48.5 °F

  • Average 2020–2025

    60.6 °F

  • Average High 2020–2025

    75.6 °F
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