Macy Weather Forecast

    • 31
    • 52

    Gradual Clearing

    • 45
    • 64

    Mostly Cloudy

    • 51
    • 80

    Partly Sunny

    • 26
    • 70

    Mostly Cloudy

    • 25
    • 51

    Mostly Sunny

    • 37
    • 60

    Partly Sunny

Today 23 Mar Thurston

Mostly sunny this Morning, then mostly cloudy with a slight chance of rain this afternoon. Highs in the lower 50s. East Winds 5 to 10 Mph, becoming south 10 to 15 Mph with Gusts up to 25 Mph this afternoon. Chance of rain 20 percent.

Tonight 23 Mar Thurston

Mostly cloudy in the Evening, then clearing. Not as cool with Lows in the lower 30s. South Winds 10 to 15 Mph with Gusts up to 25 Mph.

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Macy Temperature Statistics

March Temperature

Sioux City, Sioux Gateway Airport (19.9 miles)

  • Lowest 16 March, 2026

    5.6 °F

  • Average March

    41.6 °F

  • Highest 21 March, 2026

    95 °F

Climate (2021–Present)

Sioux City, Sioux Gateway Airport (19.9 miles)

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  • Average Low 2021–2026

    39.1 °F

  • Average 2021–2026

    51.1 °F

  • Average High 2021–2026

    63.2 °F
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