Hamburg Weather Forecast

    • 45
    • 68

    Increasing Clouds

    • 61
    • 68

    Mostly Cloudy

    • 20
    • 71

    Rain Showers

    • 18
    • 29

    Mostly Sunny

    • 26
    • 38

    Mostly Sunny

    • 22
    • 42

    Mostly Sunny

Today 26 Dec St. Charles

Partly sunny this Morning, then becoming mostly cloudy. Highs in the upper 60s. Temperature falling to around 60 this afternoon. West Winds 5 to 10 Mph with Gusts up to 20 Mph, becoming northwest this afternoon.

Tonight 26 Dec St. Charles

Partly cloudy in the Evening, then becoming mostly cloudy. Cooler with Lows in the mid 40s. North Winds around 5 Mph, becoming east after midnight.

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  • Temperature Real-Time

Hamburg Temperature Statistics

December Temperature

St. Louis, Spirit Of St. Louis Airport (3.7 miles)

  • Lowest 14 December, 2025

    7 °F

  • Average December

    34.6 °F

  • Highest 23 December, 2025

    68 °F

Climate (2020–Present)

St. Louis, Spirit Of St. Louis Airport (3.7 miles)

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  • Average Low 2020–2025

    45.9 °F

  • Average 2020–2025

    57.1 °F

  • Average High 2020–2025

    68.2 °F
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