Altenburg Weather Forecast

    • 62
    • 81

    Becoming Sunny

    • 50
    • 81

    Rain Showers

    • 42
    • 64

    Sunny

    • 49
    • 71

    Sunny

    • 40
    • 65

    Mostly Sunny

    • 46
    • 65

    Chance Rain Showers

Today 17 Oct Perry

Partly sunny. Near steady temperature in the lower 80s. South Winds around 10 Mph.

Tonight 17 Oct Perry

Partly cloudy in the Evening, then clearing. Lows in the lower 60s. South Winds around 5 Mph.

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  • Temperature Real-Time

Altenburg Temperature Statistics

October Temperature

Southern Illinois Airport (21.1 miles)

  • Lowest 10 October, 2025

    41 °F

  • Average October

    66 °F

  • Highest 1 October, 2025

    87.8 °F

Climate (2020–Present)

Southern Illinois Airport (21.1 miles)

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  • Average Low 2020–2025

    47.9 °F

  • Average 2020–2025

    58.2 °F

  • Average High 2020–2025

    68.8 °F
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