Hamburg Weather Forecast

    • 63
    • 79

    Chance Thunderstorms

    • 60
    • 75

    Partly Sunny

    • 63
    • 80

    Mostly Sunny

    • 67
    • 82

    Chance Thunderstorms

    • 66
    • 84

    Chance Rain Showers

    • 69
    • 83

    Chance Thunderstorms

    • 73
    • 87

    Chance Thunderstorms

Today 21 Jun Calhoun

Showers and Thunderstorms. Some Thunderstorms may produce heavy rainfall. Highs in the upper 70s. South Winds 10 to 15 Mph with Gusts up to 30 Mph. Chance of rain 90 percent.

Tonight 21 Jun Calhoun

Mostly cloudy. A chance of Showers and Thunderstorms this evening. Some Thunderstorms may produce heavy rainfall this evening. Lows in the lower 60s. West Winds 5 to 10 Mph, becoming northwest after midnight. Gusts up to 25 Mph. Chance of rain 40 percent.

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Hamburg Temperature Statistics

June Temperature

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

  • Lowest 16 June, 2026

    55.7 °F

  • Average June

    75.2 °F

  • Highest 17 June, 2026

    93.7 °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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