Sinsinawa Weather Forecast

    • 72
    • 90

    Slight Chance Thunderstorms

    • 73
    • 91

    Chance Thunderstorms

    • 72
    • 89

    Chance Thunderstorms

    • 71
    • 88

    Slight Chance Thunderstorms

    • 69
    • 89

    Chance Rain Showers

    • 66
    • 85

    Slight Chance Rain Showers

Today 1 Sep Grant

Mostly sunny with a slight chance of Showers. A slight chance of Thunderstorms this afternoon. Hot with Highs around 90. Southwest Winds around 5 Mph. Chance of rain 20 percent.

Tonight 1 Sep Grant

Partly cloudy. Humid with Lows in the lower 70s. Light Winds. Heat index Values in the mid 90s early in the evening.

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Sinsinawa Temperature Statistics

September Temperature

Dubuque Regional Airport (11.8 miles)

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Climate (2021–2026)

Dubuque Regional Airport (11.8 miles)

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  • Average Low 2021–2026

    40.6 °F

  • Average 2021–2026

    50.1 °F

  • Average High 2021–2026

    59.4 °F
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