Cosgrove Weather Forecast

    • 70
    • 89

    Chance Thunderstorms

    • 69
    • 86

    Rain Showers

    • 66
    • 81

    Rain Showers

    • 66
    • 80

    Rain Showers Likely

    • 69
    • 85

    Chance Thunderstorms

    • 64
    • 81

    Chance Rain Showers

Today 11 Aug Johnson

Patchy fog in the morning. Mostly cloudy with a chance of Showers and Thunderstorms in the Morning, then mostly sunny in the afternoon. Humid with Highs in the upper 80s. Southeast Winds 5 to 10 Mph, becoming south in the afternoon. Chance of rain 50 percent. Heat index Values up to 100 in the afternoon.

Tonight 11 Aug Johnson

Partly cloudy. A chance of Showers after midnight. Humid with Lows around 70. Northeast Winds around 5 Mph. Chance of rain 30 percent.

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Cosgrove Temperature Statistics

August Temperature

Iowa City Municipal Airport (9.3 miles)

  • Lowest 3 August, 2026

    62.1 °F

  • Average August

    72.8 °F

  • Highest 4 August, 2026

    84.9 °F

Climate (2021–2026)

Iowa City Municipal Airport (9.3 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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