Graham Field Weather Forecast

    • 38
    • 59

    Gradual Clearing

    • 49
    • 64

    Chance Thunderstorms

    • 60
    • 69

    Rain Showers Likely

    • 44
    • 83

    Rain Showers Likely

    • 40
    • 64

    Mostly Sunny

    • 48
    • 74

    Chance Rain Showers

Today 25 Apr Union

Cloudy with a chance of Sprinkles this Morning, then partly sunny this afternoon. Highs in the upper 50s. North Winds 10 to 15 Mph with Gusts up to 25 Mph.

Tonight 25 Apr Union

Partly cloudy in the Evening, then clearing. Lows in the upper 30s. Northeast Winds 10 to 15 Mph, becoming east around 5 Mph after midnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Graham Field Temperature Statistics

April Temperature

Sioux City, Sioux Gateway Airport (10.6 miles)

  • Lowest 6 April, 2025

    21.8 °F

  • Average April

    49.7 °F

  • Highest 12 April, 2025

    81.6 °F

Climate (2020–Present)

Sioux City, Sioux Gateway Airport (10.6 miles)

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  • Average Low 2020–2025

    38.8 °F

  • Average 2020–2025

    50.6 °F

  • Average High 2020–2025

    62.5 °F
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