River Junction Weather Forecast

    • 73
    • 88

    Partly Sunny

    • 77
    • 93

    Slight Chance Thunderstorms

    • 73
    • 94

    Mostly Sunny

    • 68
    • 90

    Mostly Sunny

    • 67
    • 88

    Mostly Sunny

    • 68
    • 88

    Chance Rain Showers

    • 68
    • 88

    Slight Chance Thunderstorms

Today 25 Jul Johnson

Partly sunny. Warmer with Highs in the upper 80s. Southwest Winds around 5 Mph.

Tonight 25 Jul Johnson

Partly cloudy in the Evening, then becoming mostly cloudy. Humid with Lows in the lower 70s. South Winds around 5 Mph.

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River Junction Temperature Statistics

July Temperature

Iowa City Municipal Airport (10.6 miles)

  • Lowest 23 July, 2026

    55.9 °F

  • Average July

    78.2 °F

  • Highest 1 July, 2026

    93 °F

Climate (2021–2026)

Iowa City Municipal Airport (10.6 miles)

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  • Average Low 2021–2026

    42.5 °F

  • Average 2021–2026

    52.9 °F

  • Average High 2021–2026

    63.3 °F
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