St. Charles County Smartt Airport Weather Forecast
- 62
- 72
Rain Showers
- 55
- 74
Rain Showers
- 46
- 72
Chance Rain Showers
- 47
- 68
Mostly Sunny
- 49
- 73
Mostly Sunny
- 54
- 77
Mostly Sunny
Today 30 Apr St. Charles
Patchy fog in the morning. Scattered Thunderstorms. Showers. Highs in the lower 70s. Southeast Winds 5 to 10 Mph. Chance of rain 80 percent.
Tonight 30 Apr St. Charles
Scattered Thunderstorms. Showers. Lows in the lower 60s. South Winds 5 to 10 Mph. Chance of rain 80 percent.
St. Charles County Smartt Airport Temperature Statistics
April Temperature
St. Charles, St. Charles County Smartt Airport (0 miles)
Lowest 8 April, 2025
29.8 °FAverage April
57.2 °FHighest 13 April, 2025
83.6 °F
Climate (2020–Present)
St. Charles, St. Charles County Smartt Airport (0 miles)
Average Low 2020–2025
47.3 °FAverage 2020–2025
57.6 °FAverage High 2020–2025
68.3 °F