Twain Weather Forecast

    • 72
    • 92

    Mostly Sunny

    • 73
    • 92

    Slight Chance Thunderstorms

    • 73
    • 92

    Chance Thunderstorms

    • 72
    • 93

    Mostly Sunny

    • 72
    • 92

    Mostly Sunny

    • 69
    • 92

    Mostly Sunny

Today 15 Jul Johnson

Patchy fog early this morning. Mostly sunny. Hot with Highs in the lower 90s. Light and variable Winds, becoming north around 5 Mph this afternoon.

Tonight 15 Jul Johnson

Mostly clear in the Evening, then becoming partly cloudy. Humid with Lows in the lower 70s. Northeast Winds around 5 Mph in the Evening, becoming light and variable.

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  • Temperature Forecast NOAA

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Twain Temperature Statistics

July Temperature

Iowa City Municipal Airport (1.2 miles)

  • Lowest 12 July, 2026

    64.9 °F

  • Average July

    78.6 °F

  • Highest 1 July, 2026

    93 °F

Climate (2021–2026)

Iowa City Municipal Airport (1.2 miles)

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  • Average Low 2021–2026

    42.5 °F

  • Average 2021–2026

    52.9 °F

  • Average High 2021–2026

    63.3 °F
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