Sumner Weather Forecast

    • 57
    • 79

    Mostly Cloudy

    • 64
    • 75

    Thunderstorms Likely

    • 58
    • 79

    Chance Thunderstorms

    • 54
    • 73

    Partly Sunny

    • 57
    • 75

    Partly Sunny

    • 52
    • 76

    Partly Sunny

Today 25 Aug Gratiot

Partly cloudy in the evening then becoming mostly cloudy. Lows in the upper 50s. Southeast Winds 5 to 10 Mph. Gusts up to 20 Mph in the evening.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Sumner Temperature Statistics

August Temperature

Alma, Gratiot Community Airport (6.2 miles)

  • Lowest 10 August, 2019

    49.6 °F

  • Average August

    69.1 °F

  • Highest 3 August, 2019

    86.2 °F

Climate (2010–Present)

Alma, Gratiot Community Airport (6.2 miles)

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  • Average Low 2010–Present

    39 °F

  • Average 2010–Present

    48.8 °F

  • Average High 2010–Present

    57.9 °F
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