Grant City Weather Forecast

    • 25
    • 37

    Mostly Cloudy

    • 13
    • 32

    Mostly Cloudy

    • -5
    • 17

    Snow Likely

    • 8
    • 14

    Mostly Sunny

    • 21
    • 39

    Partly Sunny

    • 30
    • 43

    Mostly Cloudy

Today 11 Dec Worth

Mostly cloudy. Highs in the lower 40s. Southeast Winds 5 to 10 Mph with Gusts up to 20 Mph, becoming south with Gusts up to 20 Mph this afternoon.

Tonight 11 Dec Worth

Mostly cloudy. Lows in the mid 20s. North Winds 5 to 10 Mph.

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Grant City Temperature Statistics

December Temperature

Lamoni, Lamoni Municipal Airport (28.6 miles)

  • Lowest 4 December, 2025

    -2 °F

  • Average December

    24.2 °F

  • Highest 9 December, 2025

    46 °F

Climate (2020–Present)

Lamoni, Lamoni Municipal Airport (28.6 miles)

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  • Average Low 2020–2025

    43.4 °F

  • Average 2020–2025

    53.2 °F

  • Average High 2020–2025

    63.2 °F
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