Sinsinawa Weather Forecast

    • 63
    • 75

    Rain Showers

    • 63
    • 71

    Rain Showers

    • 52
    • 67

    Rain Showers

    • 44
    • 65

    Mostly Sunny

    • 49
    • 64

    Partly Sunny

    • 44
    • 65

    Mostly Sunny

    • 46
    • 62

    Mostly Sunny

Today 29 Sep Grant

Mostly cloudy with a 20 percent chance of Showers. Near steady temperature around 70. South Winds 5 to 10 Mph.

Tonight 29 Sep Grant

Cloudy. A chance of Showers this Evening, then Showers likely with a slight chance of Thunderstorms after midnight. Warmer with Lows in the lower 60s. South Winds 5 to 10 Mph. Chance of rain 70 percent.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Sinsinawa Temperature Statistics

September Temperature

Dubuque Regional Airport (11.8 miles)

  • Lowest 23 September, 2026

    47.6 °F

  • Average September

    67.6 °F

  • Highest 1 September, 2026

    91.7 °F

Climate (2021–2026)

Dubuque Regional Airport (11.8 miles)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2021–2026

    40.7 °F

  • Average 2021–2026

    50.1 °F

  • Average High 2021–2026

    59.4 °F
Get WillyWeather+ to remove ads