Riverdale Weather Forecast

    • 63
    • 80

    Chance Thunderstorms

    • 64
    • 80

    Chance Thunderstorms

    • 58
    • 81

    Partly Sunny

    • 56
    • 82

    Mostly Sunny

    • 62
    • 86

    Partly Sunny

    • 56
    • 83

    Mostly Sunny

Today 18 Aug Gratiot

Mostly sunny. Highs around 80. East Winds 5 to 10 Mph.

Tonight 18 Aug Gratiot

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

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Riverdale Temperature Statistics

August Temperature

Alma, Gratiot Community Airport (8.1 miles)

  • Lowest 2 August, 2025

    48.2 °F

  • Average August

    72.1 °F

  • Highest 9 August, 2025

    91.4 °F

Climate (2020–Present)

Alma, Gratiot Community Airport (8.1 miles)

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  • Average Low 2020–2025

    39.6 °F

  • Average 2020–2025

    49.3 °F

  • Average High 2020–2025

    58.7 °F
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