Sumner Weather Forecast

    • 43
    • 66

    Rain Showers

    • 41
    • 58

    Slight Chance Rain Showers

    • 38
    • 58

    Partly Sunny

    • 45
    • 58

    Chance Rain Showers

    • 46
    • 61

    Chance Rain Showers

    • 47
    • 66

    Slight Chance Rain Showers

    • 44
    • 69

    Mostly Cloudy

Today 1 May Gratiot

Rain Showers likely and a chance of Thunderstorms. Highs in the mid 60s. Southwest Winds 10 to 15 Mph with Gusts to around 35 Mph. Chance of rain 70 percent.

Tonight 1 May Gratiot

Mostly cloudy. Lows in the mid 40s. West Winds 5 to 15 Mph with Gusts to around 30 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Sumner Temperature Statistics

May Temperature

Alma, Gratiot Community Airport (6.2 miles)

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Climate (2020–Present)

Alma, Gratiot Community Airport (6.2 miles)

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  • Average Low 2020–2025

    39.6 °F

  • Average 2020–2025

    49.4 °F

  • Average High 2020–2025

    58.7 °F
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