Tiffin Weather Forecast

    • 70
    • 90

    Slight Chance Thunderstorms

    • 72
    • 91

    Mostly Sunny

    • 69
    • 89

    Rain Showers Likely

    • 65
    • 83

    Chance Rain Showers

    • 65
    • 83

    Slight Chance Thunderstorms

    • 67
    • 85

    Chance Thunderstorms

Today 3 Jul Johnson

Partly cloudy. A slight chance of Showers after Midnight, then a slight chance of Showers and Thunderstorms this morning. Hot with Highs around 90. South Winds around 5 Mph, increasing to around 10 Mph this afternoon. Chance of rain 20 percent.

Tonight 3 Jul Johnson

Partly cloudy in the Evening, then clearing. Humid with Lows around 70. South Winds around 5 Mph.

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Tiffin Temperature Statistics

July Temperature

Iowa City Municipal Airport (7.5 miles)

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Climate (2020–Present)

Iowa City Municipal Airport (7.5 miles)

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  • Average Low 2020–2025

    42.2 °F

  • Average 2020–2025

    52.4 °F

  • Average High 2020–2025

    62.6 °F
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