Six Flags - St. Louis Weather Forecast
- 60
- 82
Rain Showers
- 52
- 76
Rain Showers
- 50
- 67
Mostly Cloudy
- 58
- 73
Chance Rain Showers
- 67
- 85
Chance Rain Showers
- 57
- 81
Rain Showers Likely
Today 24 Apr St. Louis
Mostly sunny. Highs in the lower 80s. Southeast Winds around 5 Mph.
Tonight 24 Apr St. Louis
Mostly clear. Lows in the mid 50s. East Winds around 5 Mph.
Six Flags - St. Louis Temperature Statistics
April Temperature
St. Louis, Spirit Of St. Louis Airport (9.9 miles)
Lowest 8 April, 2025
27.8 °FAverage April
55.1 °FHighest 13 April, 2025
86.6 °F
Climate (2020–Present)
St. Louis, Spirit Of St. Louis Airport (9.9 miles)
Average Low 2020–2025
45.8 °FAverage 2020–2025
56.7 °FAverage High 2020–2025
68 °F