Grinnell Regional Airport Weather Forecast

    • 54
    • 80

    Mostly Sunny

    • 54
    • 74

    Mostly Sunny

    • 62
    • 80

    Slight Chance Thunderstorms

    • 68
    • 88

    Mostly Sunny

    • 66
    • 91

    Chance Thunderstorms

    • 64
    • 86

    Chance Rain Showers

Today 9 Jun Poweshiek

Sunny. Highs around 80. Northwest Winds 10 to 15 Mph.

Tonight 9 Jun Poweshiek

Mostly clear. Lows in the mid 50s. North Winds 10 to 15 Mph with Gusts up to 25 Mph, Diminishing to around 5 Mph after midnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Grinnell Regional Airport Temperature Statistics

June Temperature

Newton Municipal Airport - Earl Johnson Field (14.9 miles)

  • Lowest 5 June, 2024

    57.2 °F

  • Average June

    71.4 °F

  • Highest 3 June, 2024

    86 °F

Climate (2019–Present)

Newton Municipal Airport - Earl Johnson Field (14.9 miles)

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  • Average Low 2019–2024

    41.3 °F

  • Average 2019–2024

    50.8 °F

  • Average High 2019–2024

    60.5 °F
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