River Junction Weather Forecast

    • 20
    • 23

    Mostly Cloudy

    • 29
    • 40

    Chance Rain

    • 15
    • 34

    Chance Snow

    • 5
    • 25

    Chance Snow

    • -4
    • 14

    Mostly Cloudy

    • -4
    • 7

    Cold

Today 8 Dec Johnson

Mostly cloudy. A chance of Flurries after midnight. Highs in the lower 20s. Northeast Winds around 5 Mph, becoming south with Gusts up to 20 Mph.

Tonight 8 Dec Johnson

Mostly cloudy. Not as cool with Lows around 18. Temperature rising into the upper 20s after midnight. Southwest Winds around 10 Mph with Gusts up to 20 Mph.

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River Junction Temperature Statistics

December Temperature

Iowa City Municipal Airport (10.6 miles)

  • Lowest 4 December, 2025

    -5.1 °F

  • Average December

    20.4 °F

  • Highest 5 December, 2025

    36 °F

Climate (2020–Present)

Iowa City Municipal Airport (10.6 miles)

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  • Average Low 2020–2025

    42.5 °F

  • Average 2020–2025

    52.7 °F

  • Average High 2020–2025

    62.8 °F
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