Arnold Weather Forecast

    • 40
    • 50

    Increasing Clouds

    • 43
    • 65

    Partly Sunny

    • 39
    • 69

    Partly Sunny

    • 44
    • 53

    Chance Rain

    • 41
    • 62

    Rain Likely

    • 27
    • 51

    Partly Sunny

Today 1 Feb Jefferson

Mostly sunny. Highs in the upper 40s. Southeast Winds 10 to 15 Mph.

Tonight 1 Feb Jefferson

Cloudy and not as cool. Near steady temperature in the lower 40s. South Winds 10 to 15 Mph with Gusts up to 25 Mph.

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Arnold Temperature Statistics

February Temperature

St. Louis Downtown Airport (14.9 miles)

  • Lowest

  • Average February

  • Highest

Climate (2020–Present)

St. Louis Downtown Airport (14.9 miles)

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  • Average Low 2020–2025

    47.2 °F
  • Average 2020–2025

    57.6 °F
  • Average High 2020–2025

    68.1 °F
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