Hamburg Weather Forecast

    • 77
    • 95

    Isolated Thunderstorms

    • 75
    • 93

    Thunderstorms

    • 73
    • 93

    Thunderstorms Likely

    • 74
    • 89

    Partly Sunny

    • 76
    • 95

    Mostly Sunny

    • 72
    • 93

    Chance Thunderstorms

Today 11 Aug Calhoun

Mostly sunny. Hot with Highs in the mid 90s. Southwest Winds 5 to 10 Mph with Gusts up to 20 Mph. Heat index Values up to 107.

Tonight 11 Aug Calhoun

Partly cloudy in the Evening, then mostly clear with isolated Showers and Thunderstorms after midnight. Lows in the mid 70s. Southwest Winds 5 to 10 Mph. Chance of rain 20 percent. Heat index Values up to 106 early in the evening.

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Hamburg Temperature Statistics

August Temperature

St. Charles, St. Charles County Smartt Airport (25.5 miles)

  • Lowest 3 August, 2026

    63.6 °F

  • Average August

    76.5 °F

  • Highest 9 August, 2026

    93 °F

Climate (2021–2026)

St. Charles, St. Charles County Smartt Airport (25.5 miles)

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  • Average Low 2021–2026

    47.3 °F

  • Average 2021–2026

    58 °F

  • Average High 2021–2026

    68.9 °F
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