Macy Weather Forecast

    • 51
    • 58

    Rain Showers

    • 49
    • 63

    Mostly Cloudy

    • 52
    • 64

    Rain Showers Likely

    • 54
    • 64

    Chance Rain Showers

    • 57
    • 66

    Chance Rain Showers

    • 58
    • 70

    Slight Chance Rain Showers

Today 21 Sep Thurston

Showers likely with a chance of drizzle. Patchy fog. Near steady temperature in the upper 50s. Northeast Winds 5 to 10 Mph. Chance of rain 70 percent.

Tonight 21 Sep Thurston

Cloudy. A slight chance of Showers and drizzle in the Evening, then a chance of Showers after midnight. Near steady temperature in the mid 50s. Northeast Winds 5 to 10 Mph. Chance of rain 30 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 10 September, 2026

    50.6 °F

  • Average September

    72.6 °F

  • Highest 18 September, 2026

    95 °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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