Joice Island State Game Refuge Weather Forecast

    • 55
    • 74

    Partly Sunny

    • 53
    • 77

    Mostly Sunny

    • 53
    • 83

    Mostly Sunny

    • 54
    • 79

    Partly Sunny

    • 57
    • 85

    Mostly Sunny

    • 59
    • 95

    Sunny

Today 25 May Carquinez Strait and Delta

Mostly sunny. Near the Bay, partly cloudy in the morning then clearing. Highs 72 to 78. Southwest Winds 10 to 15 Mph. Gusts up to 30 Mph in the afternoon.

Tonight 25 May Carquinez Strait and Delta

Partly cloudy. Except mostly cloudy near the bay. Partly cloudy. Breezy. Lows around 54. West Winds 10 to 25 Mph shifting to the southwest 10 to 15 Mph after midnight.

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Joice Island State Game Refuge Temperature Statistics

May Temperature

Fairfield / Travis Air Force Base (6.2 miles)

  • Lowest 13 May, 2025

    46.2 °F

  • Average May

    65.5 °F

  • Highest 9 May, 2025

    94.1 °F

Climate (2020–Present)

Fairfield / Travis Air Force Base (6.2 miles)

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  • Average Low 2020–2025

    48.6 °F

  • Average 2020–2025

    60.7 °F

  • Average High 2020–2025

    75.8 °F
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