Graham Field Weather Forecast

    • 35
    • 54

    Decreasing Clouds

    • 20
    • 42

    Partly Sunny

    • 29
    • 44

    Mostly Cloudy

    • 32
    • 54

    Partly Sunny

    • 34
    • 62

    Partly Sunny

    • 28
    • 51

    Mostly Cloudy

Today 5 Feb Union

Mostly sunny. Not as cool with Highs in the mid 50s. Northwest Winds 10 to 15 Mph with Gusts up to 30 Mph.

Tonight 5 Feb Union

Mostly clear. Not as cool with Lows in the mid 30s. Northwest Winds 10 to 15 Mph.

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Graham Field Temperature Statistics

February Temperature

Sioux City, Sioux Gateway Airport (10.6 miles)

  • Lowest 1 February, 2026

    16 °F

  • Average February

    31.1 °F

  • Highest 1 February, 2026

    46 °F

Climate (2021–Present)

Sioux City, Sioux Gateway Airport (10.6 miles)

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  • Average Low 2021–2026

    38.9 °F

  • Average 2021–2026

    50.8 °F

  • Average High 2021–2026

    62.8 °F
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