San Joaquin River - Gallagher Slough Weather Forecast

    • 59
    • 76

    Increasing Clouds

    • 57
    • 71

    Partly Sunny

    • 61
    • 77

    Sunny

    • 61
    • 82

    Sunny

    • 62
    • 82

    Sunny

    • 62
    • 80

    Mostly Sunny

Today 26 Sep Sacramento County Delta

Mostly sunny. Highs 75 to 81. West Winds around 10 Mph.

Tonight 26 Sep Sacramento County Delta

Mostly clear in the evening then becoming mostly cloudy. Lows 53 to 59. Southwest Winds around 10 Mph with Gusts to around 20 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

San Joaquin River - Gallagher Slough Temperature Statistics

September Temperature

Concord, Buchanan Field (19.3 miles)

  • Lowest 23 September, 2026

    53.1 °F

  • Average September

    71.3 °F

  • Highest 9 September, 2026

    101.6 °F

Climate (2021–2026)

Concord, Buchanan Field (19.3 miles)

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  • Average Low 2021–2026

    51.1 °F

  • Average 2021–2026

    61.6 °F

  • Average High 2021–2026

    74.2 °F
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