St. Louis Weather Forecast
- 38
- 55
Mostly Cloudy
- 42
- 62
Partly Sunny
- 61
- 76
Partly Sunny
- 42
- 90
Rain Likely
- 33
- 52
Slight Chance Rain
- 39
- 58
Partly Sunny
Today 23 Mar St. Louis City
Mostly sunny. Much cooler with Highs in the mid 50s. Northeast Winds 10 to 15 Mph. Gusts up to 30 Mph in the morning.
Tonight 23 Mar St. Louis City
Mostly cloudy. Lows in the upper 30s. East Winds around 5 Mph.
St. Louis Temperature Statistics
March Temperature
St. Louis Downtown Airport (5 miles)
Lowest 17 March, 2026
17.7 °FAverage March
51.9 °FHighest 20 March, 2026
89.1 °F
Climate (2021–Present)
St. Louis Downtown Airport (5 miles)
Average Low 2021–2026
47.5 °FAverage 2021–2026
58.2 °FAverage High 2021–2026
69 °F