Cedar Valley Weather Forecast

    • 72
    • 95

    Mostly Sunny

    • 67
    • 91

    Mostly Sunny

    • 66
    • 85

    Partly Sunny

    • 68
    • 85

    Slight Chance Thunderstorms

    • 74
    • 92

    Chance Rain Showers

    • 68
    • 90

    Chance Rain Showers

Today 4 Sep Cedar

Sunny, hot. Near steady temperature in the lower 90s. Southwest Winds 5 to 10 Mph. Heat index Values up to 104.

Tonight 4 Sep Cedar

Partly cloudy in the Evening, then becoming mostly clear. Humid with Lows in the lower 70s. Southwest Winds around 5 Mph in the Evening, becoming light and variable. Heat index Values up to 102 early in the evening.

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Cedar Valley Temperature Statistics

September Temperature

Iowa City Municipal Airport (16.2 miles)

  • Lowest 2 September, 2026

    73 °F

  • Average September

    84.1 °F

  • Highest 1 September, 2026

    95.6 °F

Climate (2021–2026)

Iowa City Municipal Airport (16.2 miles)

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  • Average Low 2021–2026

    42.6 °F

  • Average 2021–2026

    53 °F

  • Average High 2021–2026

    63.3 °F
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