South Roxana Weather Forecast
- 74
- 86
Isolated Thunderstorms
- 76
- 92
Isolated Thunderstorms
- 76
- 96
Mostly Sunny
- 75
- 96
Partly Sunny
- 75
- 92
Chance Thunderstorms
- 75
- 92
Chance Thunderstorms
- 75
- 94
Slight Chance Thunderstorms
Today 21 Jul Madison
Partly sunny. Near steady temperature in the mid 80s. East Winds around 5 Mph.
Tonight 21 Jul Madison
Partly cloudy. Isolated Showers and Thunderstorms after midnight. Lows in the mid 70s. East Winds around 5 Mph. Chance of rain 20 percent.
South Roxana Temperature Statistics
July Temperature
St. Louis Regional Airport (4.3 miles)
Lowest 2 July, 2025
63.9 °FAverage July
76 °FHighest 4 July, 2025
91.4 °F
Climate (2020–Present)
St. Louis Regional Airport (4.3 miles)
Average Low 2020–2025
46 °FAverage 2020–2025
53.8 °FAverage High 2020–2025
65.9 °F