Arnold City Park Weather Forecast

    • 46
    • 51

    Rain

    • 36
    • 55

    Chance Rain

    • 42
    • 51

    Mostly Cloudy

    • 39
    • 65

    Mostly Cloudy

    • 34
    • 58

    Partly Sunny

    • 42
    • 52

    Chance Rain

    • 39
    • 58

    Chance Rain

Today 30 Jan Jefferson

Rain with a slight chance of Thunderstorms. Patchy fog. Highs around 50. Southeast Winds 5 to 10 Mph with Gusts up to 20 Mph. Chance of rain near 100 percent.

Tonight 30 Jan Jefferson

Cloudy with a slight chance of Thunderstorms. Rain Likely, mainly this evening. Areas of fog. Not as cool. Near steady temperature in the upper 40s. Southeast Winds 5 to 10 Mph, becoming south with Gusts up to 20 Mph after midnight. Chance of rain 70 percent.

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Arnold City Park Temperature Statistics

January Temperature

St. Louis Downtown Airport (13 miles)

  • Lowest 21 January, 2025

    2.8 °F
  • Average January

    27.3 °F
  • Highest 28 January, 2025

    55 °F

Climate (2020–Present)

St. Louis Downtown Airport (13 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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