Sinsinawa Weather Forecast

    • 70
    • 85

    Rain Showers

    • 60
    • 81

    Chance Rain Showers

    • 56
    • 77

    Sunny

    • 64
    • 80

    Chance Rain Showers

    • 58
    • 79

    Chance Rain Showers

    • 60
    • 76

    Chance Thunderstorms

Today 8 Sep Grant

Partly sunny with a slight chance of rain Showers and Thunderstorms. Highs in the mid 80s. South Winds 10 to 15 Mph. Chance of rain 20 percent. Wind chill Values as low as 25 below.

Tonight 8 Sep Grant

Showers with a chance of Thunderstorms. Patchy fog after midnight. Humid with Lows in the upper 60s. South Winds 5 to 10 Mph. Chance of rain 100 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Sinsinawa Temperature Statistics

September Temperature

Dubuque Regional Airport (11.8 miles)

  • Lowest 6 September, 2026

    64 °F

  • Average September

    79.4 °F

  • Highest 1 September, 2026

    91.7 °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

    59.5 °F
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