Walthill Weather Forecast

    • 36
    • 54

    Mostly Cloudy

    • 30
    • 52

    Chance Rain Showers

    • 25
    • 47

    Mostly Sunny

    • 23
    • 57

    Mostly Sunny

    • 23
    • 47

    Mostly Sunny

    • 35
    • 56

    Partly Sunny

Today 3 Apr Thurston

Mostly sunny. Highs in the mid 50s. North Winds around 5 Mph.

Tonight 3 Apr Thurston

Mostly cloudy. Lows in the mid 30s. East Winds 5 to 10 Mph.

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Walthill Temperature Statistics

April Temperature

Sioux City, Sioux Gateway Airport (18 miles)

  • Lowest 1 April, 2025

    34 °F
  • Average April

    40.4 °F
  • Highest 1 April, 2025

    45 °F

Climate (2020–Present)

Sioux City, Sioux Gateway Airport (18 miles)

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  • Average Low 2020–2025

    38.8 °F
  • Average 2020–2025

    50.5 °F
  • Average High 2020–2025

    62.5 °F
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