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.
Posen Temperature Statistics
July Temperature
Lansing Municipal Airport (9.9 miles)
Lowest 13 July, 2026
62.6 °FAverage July
77 °FHighest 15 July, 2026
94.1 °F
Climate (2021–2026)
Lansing Municipal Airport (9.9 miles)
Average Low 2021–2026
42.5 °FAverage 2021–2026
51.6 °FAverage High 2021–2026
60.5 °F