Hercules Weather Forecast

    • 57
    • 64

    Increasing Clouds

    • 56
    • 61

    Mostly Cloudy

    • 56
    • 62

    Mostly Cloudy

    • 55
    • 62

    Partly Sunny

    • 55
    • 61

    Partly Sunny

    • 56
    • 60

    Partly Sunny

    • 56
    • 64

    Mostly Sunny

Today 21 Jul East Bay Interior Valleys

Sunny. Highs in the mid 70s to lower 80s. West Winds 15 to 20 Mph.

Tonight 21 Jul East Bay Interior Valleys

Mostly clear in the evening then becoming partly cloudy. Lows in the upper 50s. Southwest Winds 10 to 20 Mph.

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Hercules Temperature Statistics

July Temperature

Concord, Buchanan Field (13 miles)

  • Lowest 5 July, 2025

    55.7 °F

  • Average July

    69.2 °F

  • Highest 10 July, 2025

    99.6 °F

Climate (2020–Present)

Concord, Buchanan Field (13 miles)

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  • Average Low 2020–2025

    50.8 °F

  • Average 2020–2025

    61.4 °F

  • Average High 2020–2025

    74.7 °F
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