Arnold Weather Forecast
- 66
- 79
Chance Thunderstorms
- 62
- 79
Rain Showers
- 55
- 79
Rain Showers Likely
- 64
- 85
Slight Chance Thunderstorms
- 65
- 87
Chance Thunderstorms
- 59
- 80
Rain Showers Likely
Today 27 Apr Jefferson
Mostly cloudy with a chance of Showers and Thunderstorms. Not as cool. Near steady temperature in the mid 70s. South Winds 15 to 20 Mph with Gusts up to 30 Mph. Chance of rain 50 percent.
Tonight 27 Apr Jefferson
Mostly cloudy. A chance of Showers and Thunderstorms, mainly in the evening. Lows in the mid 60s. South Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of rain 50 percent.
Arnold Temperature Statistics
April Temperature
St. Louis Downtown Airport (14.9 miles)
Lowest 6 April, 2024
31.7 °FAverage April
59 °FHighest 14 April, 2024
89.7 °F
Climate (2019–Present)
St. Louis Downtown Airport (14.9 miles)
Take a look at our website widgetsAvailable free! Find Out MoreAverage Low 2019–2024
47.1 °FAverage 2019–2024
57.2 °FAverage High 2019–2024
67.6 °F