Sinsinawa Weather Forecast

    • 31
    • 48

    Becoming Sunny

    • 27
    • 49

    Partly Sunny

    • 44
    • 54

    Partly Sunny

    • 46
    • 73

    Mostly Sunny

    • 56
    • 74

    Mostly Sunny

    • 56
    • 77

    Rain Showers Likely

    • 41
    • 65

    Chance Rain Showers

Today 18 Apr Grant

Partly sunny. Much cooler with Highs in the mid 40s. West Winds 15 to 20 Mph with Gusts up to 30 Mph.

Tonight 18 Apr Grant

Mostly clear. Widespread frost after midnight. Lows around 30. West Winds 10 to 15 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Sinsinawa Temperature Statistics

April Temperature

Dubuque Regional Airport (11.8 miles)

  • Lowest 7 April, 2026

    26.1 °F

  • Average April

    49.1 °F

  • Highest 13 April, 2026

    73.9 °F

Climate (2021–Present)

Dubuque Regional Airport (11.8 miles)

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  • Average Low 2021–2026

    40.6 °F

  • Average 2021–2026

    50 °F

  • Average High 2021–2026

    59.4 °F
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