Spirit of St. Louis Airport Weather Forecast
- 64
- 93
Decreasing Clouds
- 62
- 92
Mostly Sunny
- 63
- 92
Partly Sunny
- 63
- 88
Chance Thunderstorms
- 59
- 84
Chance Thunderstorms
- 58
- 81
Chance Thunderstorms
Today 15 Sep St. Louis
Mostly sunny. Highs in the lower 90s. East Winds 5 to 10 Mph.
Tonight 15 Sep St. Louis
Partly cloudy in the Evening, then becoming mostly clear. Lows in the mid 60s. East Winds 5 to 10 Mph.
Spirit of St. Louis Airport Temperature Statistics
September Temperature
St. Louis, Spirit Of St. Louis Airport (0 miles)
Lowest 8 September, 2025
41 °FAverage September
67.2 °FHighest 12 September, 2025
93.9 °F
Climate (2020–Present)
St. Louis, Spirit Of St. Louis Airport (0 miles)
Average Low 2020–2025
45.8 °FAverage 2020–2025
56.9 °FAverage High 2020–2025
68.1 °F