Arnold Weather Forecast

    • 51
    • 68

    Rain Showers Likely

    • 65
    • 77

    Rain Showers

    • 68
    • 81

    Chance Thunderstorms

    • 63
    • 81

    Rain Showers

    • 57
    • 79

    Rain Showers Likely

    • 61
    • 84

    Slight Chance Thunderstorms

    • 58
    • 83

    Chance Thunderstorms

Today 25 Apr Jefferson

Mostly cloudy. Near steady temperature in the lower 60s. East Winds 5 to 10 Mph.

Tonight 25 Apr Jefferson

Mostly cloudy. A slight chance of Showers in the Evening, then a chance of Showers and Thunderstorms after midnight. Lows around 50. Southeast Winds 5 to 10 Mph with Gusts up to 25 Mph. Chance of rain 50 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Arnold Temperature Statistics

April Temperature

St. Louis Downtown Airport (14.9 miles)

  • Lowest 6 April, 2024

    31.7 °F

  • Average April

    59.4 °F

  • Highest 14 April, 2024

    89.7 °F

Climate (2019–Present)

St. Louis Downtown Airport (14.9 miles)

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  • Average Low 2019–2024

    47.1 °F

  • Average 2019–2024

    57.2 °F

  • Average High 2019–2024

    67.6 °F
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