Posen Weather Forecast

    • 68
    • 73

    Chance Rain Showers

    • 66
    • 77

    Chance Rain Showers

    • 65
    • 77

    Rain Showers Likely

    • 66
    • 82

    Rain Showers

    • 62
    • 74

    Rain Showers Likely

    • 61
    • 74

    Chance Rain Showers

Today 16 Sep Southern Cook

Mostly cloudy. Scattered Showers. Near steady temperature in the lower 70s. Northeast Winds around 10 Mph. Chance of precipitation 30 percent.

Tonight 16 Sep Southern Cook

Mostly cloudy. Scattered Showers in the evening. Scattered Thunderstorms late in the Evening, then Showers and Thunderstorms after midnight. Locally heavy rainfall possible after midnight. Near steady temperature in the upper 60s. Northeast Winds 5 to 10 Mph in the Evening, becoming light and variable. Chance of precipitation 80 percent.

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Posen Temperature Statistics

September Temperature

Lansing Municipal Airport (9.9 miles)

  • Lowest 14 September, 2026

    47.3 °F

  • Average September

    73.9 °F

  • Highest 2 September, 2026

    94.6 °F

Climate (2021–2026)

Lansing Municipal Airport (9.9 miles)

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  • Average Low 2021–2026

    42.4 °F

  • Average 2021–2026

    51.5 °F

  • Average High 2021–2026

    60.4 °F
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