Sinsinawa Weather Forecast

    • 50
    • 70

    Sunny

    • 54
    • 74

    Mostly Sunny

    • 49
    • 74

    Mostly Sunny

    • 50
    • 66

    Partly Sunny

    • 50
    • 67

    Mostly Sunny

    • 58
    • 72

    Mostly Sunny

Today 5 Oct Grant

Areas of fog early. Mostly sunny. Highs in the upper 60s. East Winds around 5 Mph, becoming south this afternoon.

Tonight 5 Oct Grant

Mostly clear. Lows around 50. South Winds 5 to 10 Mph.

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Sinsinawa Temperature Statistics

October Temperature

Dubuque Regional Airport (11.8 miles)

  • Lowest 2 October, 2026

    46.9 °F

  • Average October

    56.6 °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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