Fairground Weather Forecast

    • 66
    • 72

    Rain Showers Likely

    • 67
    • 79

    Chance Thunderstorms

    • 69
    • 84

    Rain Showers

    • 65
    • 82

    Chance Thunderstorms

    • 60
    • 72

    Chance Rain Showers

    • 58
    • 70

    Slight Chance Rain Showers

Today 16 Sep Polk

Mostly cloudy with a chance of Showers. A slight chance of Thunderstorms. Some Thunderstorms may produce heavy rainfall in the morning. Highs in the upper 60s. East Winds 5 to 10 Mph. Chance of rain 50 percent.

Tonight 16 Sep Polk

Mostly cloudy with a slight chance of Thunderstorms. A slight chance of Showers in the Evening, then a chance of Showers after midnight. Humid with Lows in the mid 60s. East Winds around 5 Mph. Chance of rain 50 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Fairground Temperature Statistics

September Temperature

Des Moines International Airport (5.6 miles)

  • Lowest 13 September, 2026

    55.9 °F

  • Average September

    77.7 °F

  • Highest 1 September, 2026

    96.7 °F

Climate (2021–2026)

Des Moines International Airport (5.6 miles)

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  • Average Low 2021–2026

    43.8 °F

  • Average 2021–2026

    53.6 °F

  • Average High 2021–2026

    63.5 °F
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