Grinnell Weather Forecast

    • 58
    • 78

    Decreasing Clouds

    • 65
    • 81

    Rain Showers Likely

    • 66
    • 83

    Rain Showers Likely

    • 64
    • 85

    Thunderstorms Likely

    • 60
    • 83

    Chance Rain Showers

    • 57
    • 79

    Slight Chance Rain Showers

Today 1 Jun Poweshiek

Mostly cloudy with a slight chance of Showers and Thunderstorms in the Morning, then partly sunny in the afternoon. Highs in the upper 70s. Southeast Winds around 5 Mph, becoming northeast in the afternoon. Chance of rain 20 percent.

Tonight 1 Jun Poweshiek

Partly cloudy. Lows in the upper 50s. South Winds around 5 Mph.

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Grinnell Temperature Statistics

June Temperature

Newton Municipal Airport - Earl Johnson Field (15.5 miles)

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Climate (2019–Present)

Newton Municipal Airport - Earl Johnson Field (15.5 miles)

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  • Average Low 2019–2024

    41.3 °F

  • Average 2019–2024

    50.8 °F

  • Average High 2019–2024

    60.6 °F
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