Riverside Weather Forecast

    • 72
    • 83

    Rain Showers

    • 71
    • 90

    Rain Showers Likely

    • 64
    • 84

    Chance Rain Showers

    • 64
    • 83

    Mostly Sunny

    • 67
    • 85

    Rain Showers Likely

    • 63
    • 82

    Slight Chance Rain Showers

    • 61
    • 77

    Partly Sunny

Today 14 Aug Washington

Mostly cloudy with a chance of Showers with a slight chance of Thunderstorms. Some Thunderstorms may produce heavy rainfall. Near steady temperature in the lower 80s. East Winds around 10 Mph with Gusts up to 20 Mph. Chance of rain 50 percent.

Tonight 14 Aug Washington

Thunderstorms likely. Showers likely this Evening, then Showers after midnight. Some Thunderstorms may produce heavy rainfall. Locally heavy rainfall possible after midnight. Lows in the lower 70s. East Winds around 10 Mph. Chance of rain 80 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Riverside Temperature Statistics

August Temperature

Iowa City Municipal Airport (10.6 miles)

  • Lowest 3 August, 2026

    62.1 °F

  • Average August

    74.7 °F

  • Highest 10 August, 2026

    90 °F

Climate (2021–2026)

Iowa City Municipal Airport (10.6 miles)

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  • Average Low 2021–2026

    42.6 °F

  • Average 2021–2026

    52.9 °F

  • Average High 2021–2026

    63.3 °F
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