San Joaquin River - West Island Weather Forecast

    • 59
    • 79

    Sunny

    • 59
    • 80

    Sunny

    • 60
    • 81

    Sunny

    • 61
    • 83

    Sunny

    • 60
    • 81

    Sunny

    • 60
    • 78

    Mostly Sunny

Today 21 Jun Sacramento County Delta

Sunny. Highs 80 to 87. West Winds 10 to 15 Mph.

Tonight 21 Jun Sacramento County Delta

Clear. Lows around 56. West Winds 10 to 15 Mph with Gusts to around 25 Mph.

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San Joaquin River - West Island Temperature Statistics

June Temperature

Concord, Buchanan Field (14.9 miles)

  • Lowest 7 June, 2026

    53.7 °F

  • Average June

    72 °F

  • Highest 11 June, 2026

    101.6 °F

Climate (2021–2026)

Concord, Buchanan Field (14.9 miles)

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  • Average Low 2021–2026

    51 °F

  • Average 2021–2026

    61.5 °F

  • Average High 2021–2026

    74.3 °F
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