Mount Ayr Weather Forecast

    • 19
    • 43

    Partly Sunny

    • 20
    • 31

    Partly Sunny

    • 36
    • 40

    Mostly Cloudy

    • 32
    • 48

    Mostly Cloudy

    • 45
    • 50

    Mostly Cloudy

    • 39
    • 62

    Mostly Cloudy

Today 20 Dec Newton

Mostly cloudy and breezy. Highs in the lower 40s. South Winds 15 to 20 Mph, becoming west in the afternoon. Gusts up to 30 Mph.

Tonight 20 Dec Newton

Partly cloudy in the Evening, then clearing. Lows around 19. West Winds 10 to 15 Mph.

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Mount Ayr Temperature Statistics

December Temperature

Rensselaer Jasper County Airport (5.6 miles)

  • Lowest 15 December, 2025

    -5.8 °F

  • Average December

    22 °F

  • Highest 17 December, 2025

    39.2 °F

Climate (2020–Present)

Rensselaer Jasper County Airport (5.6 miles)

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  • Average Low 2020–2025

    41.3 °F

  • Average 2020–2025

    50.8 °F

  • Average High 2020–2025

    60.3 °F
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