Grinnell Weather Forecast

    • 35
    • 72

    Decreasing Clouds

    • 39
    • 70

    Partly Sunny

    • 41
    • 68

    Mostly Cloudy

    • 23
    • 60

    Mostly Cloudy

    • 20
    • 39

    Partly Sunny

    • 25
    • 43

    Mostly Sunny

Today 24 Dec Gove

Mostly cloudy this Morning, then clearing. Highs in the lower 70s. West Winds around 5 Mph.

Tonight 24 Dec Gove

Mostly clear. Lows in the mid 30s. East Winds around 5 Mph, becoming north around 5 Mph after midnight.

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Grinnell Temperature Statistics

December Temperature

Hill City, Hill City Municipal Airport (46 miles)

  • Lowest 14 December, 2025

    12 °F

  • Average December

    35.6 °F

  • Highest 11 December, 2025

    75 °F

Climate (2020–Present)

Hill City, Hill City Municipal Airport (46 miles)

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  • Average Low 2020–2025

    42 °F

  • Average 2020–2025

    55.7 °F

  • Average High 2020–2025

    69.9 °F
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