Alamo Weather Forecast

    • 57
    • 92

    Increasing Clouds

    • 53
    • 82

    Mostly Sunny

    • 52
    • 78

    Mostly Sunny

    • 51
    • 71

    Mostly Sunny

    • 55
    • 83

    Sunny

    • 58
    • 91

    Sunny

Today 24 Sep East Bay Interior Valleys

Sunny in the morning then becoming partly cloudy. Highs in the lower 90s. West Winds up to 5 Mph increasing to 5 to 15 Mph in the afternoon.

Tonight 24 Sep East Bay Interior Valleys

Partly cloudy. Lows around 60. Southwest Winds 5 to 10 Mph.

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Alamo Temperature Statistics

September Temperature

Concord, Buchanan Field (9.3 miles)

  • Lowest 7 September, 2026

    54.6 °F

  • Average September

    71.3 °F

  • Highest 9 September, 2026

    101.6 °F

Climate (2021–2026)

Concord, Buchanan Field (9.3 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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