Posen Weather Forecast

    • 68
    • 90

    Thunderstorms Likely

    • 66
    • 81

    Patchy Smoke

    • 72
    • 86

    Rain Showers Likely

    • 65
    • 86

    Slight Chance Thunderstorms

    • 61
    • 78

    Mostly Sunny

    • 64
    • 82

    Partly Sunny

Today 18 Jul Southern Cook

Partly cloudy late in the Morning, then becoming mostly cloudy. A slight chance of Showers and Thunderstorms late in the morning. Showers and Thunderstorms likely early in the Afternoon, then a chance of Showers and Thunderstorms late. Highs in the lower 90s. Temperature falling into the lower 80s in the afternoon. West Winds 10 to 15 Mph with Gusts up to 25 Mph, becoming northwest in the afternoon. Chance of precipitation 60 percent. Heat index Values up to 101.

Tonight 18 Jul Southern Cook

Mostly clear. Patchy smoke in the late evening and overnight. Lows in the upper 60s. Northeast Winds 5 to 10 Mph.

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Posen Temperature Statistics

July Temperature

Lansing Municipal Airport (9.9 miles)

  • Lowest 13 July, 2026

    62.6 °F
  • Average July

    77 °F
  • Highest 15 July, 2026

    94.1 °F

Climate (2021–2026)

Lansing Municipal Airport (9.9 miles)

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  • Average Low 2021–2026

    42.5 °F
  • Average 2021–2026

    51.6 °F
  • Average High 2021–2026

    60.5 °F
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