Iowa Speedway Weather Forecast

    • 49
    • 71

    Increasing Clouds

    • 45
    • 65

    Rain Showers Likely

    • 52
    • 69

    Partly Sunny

    • 58
    • 75

    Rain Showers

    • 52
    • 75

    Chance Thunderstorms

    • 49
    • 74

    Chance Rain Showers

Today 3 May Jasper

Patchy fog in the morning. Sunny. Highs in the lower 70s. East Winds 5 to 10 Mph.

Tonight 3 May Jasper

Mostly clear. Areas of fog. Lows in the mid 40s. Northwest Winds around 5 Mph.

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Iowa Speedway Temperature Statistics

May Temperature

Newton Municipal Airport - Earl Johnson Field (0 miles)

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  • Average May

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Climate (2019–Present)

Newton Municipal Airport - Earl Johnson Field (0 miles)

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  • Average Low 2019–2024

    41.2 °F

  • Average 2019–2024

    50.7 °F

  • Average High 2019–2024

    60.4 °F
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