Sinsinawa Weather Forecast

    • 54
    • 69

    Rain Showers

    • 54
    • 77

    Partly Sunny

    • 60
    • 78

    Rain Showers Likely

    • 59
    • 79

    Chance Thunderstorms

    • 56
    • 76

    Partly Sunny

    • 61
    • 78

    Chance Rain Showers

    • 67
    • 81

    Chance Thunderstorms

Today 21 Jun Grant

Showers. Highs around 70. Southeast Winds 5 to 10 Mph. Chance of rain 100 percent.

Tonight 21 Jun Grant

Mostly cloudy. A chance of Showers this evening. Lows in the lower 50s. East Winds around 5 Mph, becoming north after midnight. Chance of rain 50 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Sinsinawa Temperature Statistics

June Temperature

Dubuque Regional Airport (11.8 miles)

  • Lowest 15 June, 2026

    48.9 °F

  • Average June

    68.9 °F

  • Highest 6 June, 2026

    87.1 °F

Climate (2021–2026)

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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