Lafayette Reservoir Recreation Area Weather Forecast

    • 58
    • 89

    Sunny

    • 64
    • 92

    Mostly Sunny

    • 68
    • 97

    Hot

    • 61
    • 91

    Mostly Sunny

    • 58
    • 80

    Mostly Sunny

    • 57
    • 78

    Mostly Sunny

Today 7 Sep East Bay Interior Valleys

Sunny. Highs around 90. Northwest Winds 5 to 10 Mph.

Tonight 7 Sep East Bay Interior Valleys

Clear. Lows in the lower 60s. West Winds 5 to 10 Mph in the evening. Becoming light.

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Lafayette Reservoir Recreation Area Temperature Statistics

September Temperature

Concord, Buchanan Field (9.3 miles)

  • Lowest 5 September, 2026

    55.9 °F

  • Average September

    67.8 °F

  • Highest 5 September, 2026

    81 °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

    74.3 °F
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