Sinsinawa Weather Forecast

    • 55
    • 76

    Mostly Sunny

    • 51
    • 73

    Increasing Clouds

    • 50
    • 67

    Partly Sunny

    • 58
    • 70

    Slight Chance Rain Showers

    • 59
    • 79

    Mostly Sunny

    • 56
    • 77

    Partly Sunny

    • 55
    • 74

    Chance Rain Showers

Today 6 Oct Grant

Partly sunny with a 30 percent chance of Showers. Highs in the mid 60s.

Tonight 6 Oct Grant

Mostly clear. Lows in the mid 50s. Southwest Winds 5 to 10 Mph, becoming west after midnight.

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Sinsinawa Temperature Statistics

October Temperature

Dubuque Regional Airport (11.8 miles)

  • Lowest 4 October, 2026

    46 °F

  • Average October

    57.1 °F

  • Highest 3 October, 2026

    68 °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

    59.4 °F
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