Sinsinawa Weather Forecast

    • 64
    • 82

    Rain Showers

    • 58
    • 75

    Chance Rain Showers

    • 60
    • 79

    Mostly Sunny

    • 64
    • 81

    Mostly Sunny

    • 69
    • 83

    Chance Rain Showers

    • 69
    • 84

    Chance Rain Showers

Today 4 Aug Grant

Partly sunny this Morning, then mostly cloudy with scattered Showers and Thunderstorms this afternoon. Highs in the lower 80s. Southwest Winds 5 to 10 Mph, becoming west this afternoon. Chance of rain 40 percent.

Tonight 4 Aug Grant

Scattered Thunderstorms. Numerous Showers. Humid with Lows in the lower 60s. Light Winds. Chance of rain 70 percent.

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Sinsinawa Temperature Statistics

August Temperature

Dubuque Regional Airport (11.8 miles)

  • Lowest 1 August, 2026

    64 °F

  • Average August

    69.7 °F

  • Highest 2 August, 2026

    81 °F

Climate (2021–2026)

Dubuque Regional Airport (11.8 miles)

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  • Average Low 2021–2026

    40.7 °F

  • Average 2021–2026

    50.1 °F

  • Average High 2021–2026

    59.5 °F
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