Hercules Weather Forecast

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    • 63

    Increasing Clouds

    • 55
    • 64

    Increasing Clouds

    • 55
    • 65

    Mostly Sunny

    • 55
    • 66

    Partly Sunny

    • 55
    • 67

    Mostly Sunny

    • 56
    • 68

    Mostly Sunny

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    Mostly Sunny

Today 19 Jun East Bay Interior Valleys

Sunny. Highs in the mid 70s to lower 80s. West Winds 10 to 15 Mph.

Tonight 19 Jun East Bay Interior Valleys

Mostly clear in the evening then becoming partly cloudy. Lows in the mid 50s. West Winds 5 to 15 Mph.

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Hercules Temperature Statistics

June Temperature

Concord, Buchanan Field (13 miles)

  • Lowest 7 June, 2026

    53.7 °F

  • Average June

    72.5 °F

  • Highest 11 June, 2026

    101.6 °F

Climate (2021–2026)

Concord, Buchanan Field (13 miles)

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  • Average Low 2021–2026

    51 °F

  • Average 2021–2026

    61.5 °F

  • Average High 2021–2026

    74.3 °F
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