St. Louis Downtown Airport Weather Forecast
- 56
- 80
Slight Chance Thunderstorms
- 55
- 81
Thunderstorms Likely
- 38
- 71
Slight Chance Rain Showers
- 35
- 53
Mostly Sunny
- 52
- 70
Mostly Sunny
- 54
- 76
Mostly Cloudy
Today 13 Mar St. Clair
Sunny with isolated Showers and Thunderstorms. Near steady temperature in the upper 70s. Southeast Winds 5 to 10 Mph. Chance of rain 20 percent.
Tonight 13 Mar St. Clair
Mostly clear in the Evening, then becoming partly cloudy. Lows in the upper 50s. Southeast Winds 5 to 10 Mph.
St. Louis Downtown Airport Temperature Statistics
March Temperature
St. Louis Downtown Airport (0.6 miles)
Lowest 2 March, 2025
21.8 °FAverage March
43.4 °FHighest 3 March, 2025
64.7 °F
Climate (2020–Present)
St. Louis Downtown Airport (0.6 miles)
Average Low 2020–2025
47.2 °FAverage 2020–2025
57.5 °FAverage High 2020–2025
68.1 °F