River Junction Weather Forecast

    • 61
    • 77

    Increasing Clouds

    • 46
    • 72

    Rain Showers

    • 52
    • 65

    Rain Showers

    • 53
    • 66

    Chance Rain Showers

    • 53
    • 67

    Slight Chance Rain Showers

    • 51
    • 68

    Rain Showers Likely

Today 28 Oct Johnson

Mostly sunny. Highs in the mid 70s. South Winds 10 to 15 Mph.

Tonight 28 Oct Johnson

Partly cloudy in the Evening, then becoming mostly cloudy. A chance of Showers after midnight. Not as cool with Lows around 60. South Winds 5 to 10 Mph with Gusts up to 20 Mph. Chance of rain 50 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

River Junction Temperature Statistics

October Temperature

Iowa City Municipal Airport (10.6 miles)

  • Lowest 17 October, 2026

    33.7 °F

  • Average October

    61.6 °F

  • Highest 12 October, 2026

    87.7 °F

Climate (2021–2026)

Iowa City Municipal Airport (10.6 miles)

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  • Average Low 2021–2026

    42.7 °F

  • Average 2021–2026

    53 °F

  • Average High 2021–2026

    63.3 °F
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