Hercules Weather Forecast

    • 55
    • 62

    Rain Likely

    • 53
    • 60

    Chance Rain

    • 55
    • 64

    Mostly Sunny

    • 57
    • 69

    Mostly Sunny

    • 56
    • 70

    Mostly Sunny

    • 56
    • 68

    Partly Sunny

Today 25 Oct East Bay Interior Valleys

Cloudy. A chance of rain in the Morning, then a slight chance of rain in the afternoon. Highs in the upper 60s. Southwest Winds 5 to 15 Mph.

Tonight 25 Oct East Bay Interior Valleys

Mostly cloudy in the evening then becoming partly cloudy. A slight chance of rain after midnight. Lows in the lower 50s. Southwest Winds 5 to 10 Mph.

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Hercules Temperature Statistics

October Temperature

Concord, Buchanan Field (13 miles)

  • Lowest 16 October, 2025

    48 °F

  • Average October

    63.5 °F

  • Highest 7 October, 2025

    90 °F

Climate (2020–Present)

Concord, Buchanan Field (13 miles)

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  • Average Low 2020–2025

    50.7 °F

  • Average 2020–2025

    61.2 °F

  • Average High 2020–2025

    74.4 °F
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