Macy Weather Forecast

    • 68
    • 83

    Rain Showers Likely

    • 70
    • 87

    Chance Thunderstorms

    • 63
    • 86

    Rain Showers Likely

    • 55
    • 79

    Mostly Sunny

    • 61
    • 80

    Slight Chance Thunderstorms

    • 61
    • 84

    Mostly Sunny

    • 57
    • 80

    Chance Rain Showers

Today 6 Sep Thurston

Mostly cloudy with a chance of Showers with a slight chance of Thunderstorms. Some Thunderstorms may produce heavy rainfall. Near steady temperature in the upper 70s. Southeast Winds around 10 Mph with Gusts up to 20 Mph. Chance of rain 50 percent.

Tonight 6 Sep Thurston

Mostly cloudy with a chance of Thunderstorms. A chance of Showers. Lows in the upper 60s. Southeast Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of rain 40 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Macy Temperature Statistics

September Temperature

Sioux City, Sioux Gateway Airport (19.9 miles)

  • Lowest 1 September, 2026

    67.6 °F

  • Average September

    80.6 °F

  • Highest 3 September, 2026

    93.7 °F

Climate (2021–2026)

Sioux City, Sioux Gateway Airport (19.9 miles)

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  • Average Low 2021–2026

    39.1 °F

  • Average 2021–2026

    51.3 °F

  • Average High 2021–2026

    63.4 °F
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