Suisun Bay - Hastings Slough Entrance Weather Forecast

    • 61
    • 85

    Sunny

    • 60
    • 86

    Sunny

    • 61
    • 84

    Mostly Sunny

    • 62
    • 87

    Mostly Sunny

    • 63
    • 87

    Mostly Sunny

    • 62
    • 85

    Mostly Sunny

Today 29 Sep East Bay Interior Valleys

Sunny. Highs in the lower 90s. Northwest Winds 5 to 15 Mph.

Tonight 29 Sep East Bay Interior Valleys

Clear. Lows around 60. West Winds 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Suisun Bay - Hastings Slough Entrance Temperature Statistics

September Temperature

Concord, Buchanan Field (3.7 miles)

  • Lowest 23 September, 2026

    53.7 °F

  • Average September

    71.4 °F

  • Highest 9 September, 2026

    101.6 °F

Climate (2021–2026)

Concord, Buchanan Field (3.7 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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