Grinnell Regional Airport Weather Forecast

    • 51
    • 72

    Slight Chance Thunderstorms

    • 43
    • 67

    Rain Showers Likely

    • 52
    • 69

    Chance Rain Showers

    • 57
    • 76

    Rain Showers

    • 52
    • 76

    Chance Thunderstorms

    • 49
    • 75

    Chance Rain Showers

Today 3 May Poweshiek

Areas of fog early this morning. Mostly sunny. Highs in the lower 70s. Northwest Winds around 5 Mph, becoming northeast this Morning, then becoming east 10 to 15 Mph this afternoon.

Tonight 3 May Poweshiek

Mostly clear in the Evening, then partly cloudy with a chance of Thunderstorms with a slight chance of Showers after midnight. Lows in the lower 50s. Southeast Winds 5 to 10 Mph. Chance of rain 50 percent.

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  • Temperature Forecast NOAA

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Grinnell Regional Airport Temperature Statistics

May Temperature

Newton Municipal Airport - Earl Johnson Field (14.9 miles)

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Climate (2019–Present)

Newton Municipal Airport - Earl Johnson Field (14.9 miles)

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  • Average Low 2019–2024

    41.2 °F

  • Average 2019–2024

    50.7 °F

  • Average High 2019–2024

    60.4 °F
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