Altenburg Weather Forecast

    • 30
    • 53

    Rain Showers

    • 16
    • 34

    Flurries Likely

    • 5
    • 20

    Partly Sunny

    • 10
    • 22

    Partly Sunny

    • 9
    • 21

    Mostly Sunny

    • 23
    • 33

    Mostly Cloudy

    • 20
    • 38

    Mostly Cloudy

Today 17 Jan Perry

Mostly cloudy with a 20 percent chance of Showers. Near steady temperature around 50. South Winds 15 to 20 Mph with Gusts up to 35 Mph.

Tonight 17 Jan Perry

Showers. Lows around 30. South Winds 10 to 15 Mph, becoming west after midnight. Chance of rain 90 percent.

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Altenburg Temperature Statistics

January Temperature

Southern Illinois Airport (21.1 miles)

  • Lowest 15 January, 2025

    7 °F

  • Average January

    27.3 °F

  • Highest 2 January, 2025

    43.6 °F

Climate (2020–Present)

Southern Illinois Airport (21.1 miles)

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  • Average Low 2020–2025

    47.7 °F

  • Average 2020–2025

    57.8 °F

  • Average High 2020–2025

    68.3 °F
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