Hercules Weather Forecast

    • 56
    • 74

    Becoming Sunny

    • 57
    • 77

    Mostly Sunny

    • 59
    • 79

    Sunny

    • 58
    • 79

    Mostly Sunny

    • 60
    • 80

    Mostly Sunny

    • 60
    • 81

    Partly Sunny

Today 15 Mar East Bay Interior Valleys

Sunny. Highs in the mid 80s. Northwest Winds 5 to 10 Mph.

Tonight 15 Mar East Bay Interior Valleys

Mostly clear in the evening then becoming partly cloudy. Lows in the mid 50s. West Winds 5 to 10 Mph.

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Hercules Temperature Statistics

March Temperature

Concord, Buchanan Field (13 miles)

  • Lowest 5 March, 2026

    40.6 °F

  • Average March

    60.3 °F

  • Highest 12 March, 2026

    79 °F

Climate (2021–Present)

Concord, Buchanan Field (13 miles)

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  • Average Low 2021–2026

    50.9 °F

  • Average 2021–2026

    61.3 °F

  • Average High 2021–2026

    74.3 °F
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