Downey Weather Forecast

    • 64
    • 88

    Partly Sunny

    • 64
    • 88

    Chance Rain Showers

    • 62
    • 81

    Chance Rain Showers

    • 62
    • 84

    Slight Chance Rain Showers

    • 62
    • 83

    Chance Rain Showers

    • 60
    • 83

    Chance Rain Showers

    • 57
    • 80

    Slight Chance Thunderstorms

Today 17 Sep Cedar

Sunny with scattered Showers and Thunderstorms. Highs in the upper 80s. Southeast Winds around 5 Mph. Chance of rain 40 percent.

Tonight 17 Sep Cedar

Partly cloudy. Lows in the lower 60s. East Winds around 5 Mph.

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Downey Temperature Statistics

September Temperature

Iowa City Municipal Airport (9.9 miles)

  • Lowest 7 September, 2025

    41 °F

  • Average September

    67.4 °F

  • Highest 14 September, 2025

    96.1 °F

Climate (2020–Present)

Iowa City Municipal Airport (9.9 miles)

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  • Average Low 2020–2025

    42.3 °F

  • Average 2020–2025

    52.5 °F

  • Average High 2020–2025

    62.6 °F
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