Mount Union Weather Forecast

    • 69
    • 79

    Chance Thunderstorms

    • 65
    • 85

    Rain Showers

    • 58
    • 74

    Rain Showers Likely

    • 53
    • 65

    Rain Showers Likely

    • 48
    • 63

    Partly Sunny

    • 52
    • 67

    Partly Sunny

    • 54
    • 69

    Partly Sunny

Today 18 Sep Henry

Partly cloudy. Lows in the mid 50s. Highs in the lower 70s.

Tonight 18 Sep Henry

Partly cloudy this Evening, then mostly cloudy with a chance of Showers with a slight chance of Thunderstorms after midnight. Lows in the upper 60s. Southeast Winds 5 to 10 Mph with Gusts up to 20 Mph. Chance of rain 50 percent.

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Mount Union Temperature Statistics

September Temperature

Mount Pleasant, Mount Pleasant Municipal Airport (9.9 miles)

  • Lowest 13 September, 2026

    55.4 °F

  • Average September

    73.4 °F

  • Highest 1 September, 2026

    95 °F

Climate (2021–2026)

Mount Pleasant, Mount Pleasant Municipal Airport (9.9 miles)

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  • Average Low 2021–2026

    43 °F

  • Average 2021–2026

    52.8 °F

  • Average High 2021–2026

    63.1 °F
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