Sinsinawa Weather Forecast

    • 62
    • 79

    Chance Thunderstorms

    • 58
    • 78

    Partly Sunny

    • 62
    • 79

    Mostly Sunny

    • 63
    • 80

    Chance Rain Showers

    • 59
    • 78

    Mostly Sunny

    • 60
    • 76

    Partly Sunny

Today 18 Aug Grant

Mostly cloudy with a chance of Showers. A slight chance of Thunderstorms this Morning, then a chance of Thunderstorms this afternoon. Highs in the upper 70s. Southwest Winds 5 to 10 Mph. Chance of rain 50 percent.

Tonight 18 Aug Grant

Mostly cloudy with a slight chance of Showers and Thunderstorms in the Evening, then partly cloudy after midnight. Humid with Lows in the lower 60s. Light Winds. Chance of rain 20 percent.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Sinsinawa Temperature Statistics

August Temperature

Dubuque Regional Airport (11.8 miles)

  • Lowest 8 August, 2026

    57.9 °F

  • Average August

    71.7 °F

  • Highest 10 August, 2026

    84 °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