Grinnell Regional Airport Weather Forecast

    • 7
    • 17

    Mostly Sunny

    • 19
    • 30

    Mostly Sunny

    • 31
    • 41

    Partly Sunny

    • 34
    • 50

    Partly Sunny

    • 34
    • 50

    Chance Rain

    • 28
    • 50

    Chance Rain

Today 21 Feb Poweshiek

Sunny. Highs around 18. Southwest Winds 5 to 10 Mph.

Tonight 21 Feb Poweshiek

Mostly clear. Lows around 6 above. Southwest Winds around 10 Mph with Gusts up to 20 Mph.

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Grinnell Regional Airport Temperature Statistics

February Temperature

Newton Municipal Airport - Earl Johnson Field (14.9 miles)

  • Lowest 18 February, 2025

    -13 °F

  • Average February

    17.4 °F

  • Highest 2 February, 2025

    53.6 °F

Climate (2020–Present)

Newton Municipal Airport - Earl Johnson Field (14.9 miles)

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  • Average Low 2020–2025

    41.2 °F

  • Average 2020–2025

    50.9 °F

  • Average High 2020–2025

    60.7 °F
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