Posen Weather Forecast

    • 62
    • 85

    Mostly Sunny

    • 62
    • 83

    Mostly Sunny

    • 64
    • 85

    Mostly Sunny

    • 65
    • 87

    Partly Sunny

    • 62
    • 79

    Chance Rain Showers

    • 61
    • 73

    Chance Rain Showers

Today 15 Sep Southern Cook

Sunny. Highs in the mid 80s. East Winds 5 to 10 Mph.

Tonight 15 Sep Southern Cook

Clear. Lows in the lower 60s. East Winds around 5 Mph.

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Posen Temperature Statistics

September Temperature

Lansing Municipal Airport (9.9 miles)

  • Lowest 8 September, 2025

    40.1 °F

  • Average September

    62.1 °F

  • Highest 12 September, 2025

    83.1 °F

Climate (2020–Present)

Lansing Municipal Airport (9.9 miles)

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  • Average Low 2020–2025

    42.3 °F

  • Average 2020–2025

    51.4 °F

  • Average High 2020–2025

    60.3 °F
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