St John Weather Forecast
- 62
- 83
Partly Sunny
- 62
- 86
Mostly Sunny
- 62
- 83
Partly Sunny
- 66
- 85
Rain Showers Likely
- 53
- 76
Rain Showers Likely
- 49
- 68
Sunny
Today 14 Oct St. Louis
Sunny. Highs in the lower 80s. East Winds around 5 Mph.
Tonight 14 Oct St. Louis
Mostly clear. Lows in the upper 50s. East Winds around 5 Mph.
St John Temperature Statistics
October Temperature
St. Louis Lambert International Airport (2.5 miles)
Lowest 8 October, 2025
51.1 °FAverage October
70.3 °FHighest 2 October, 2025
88 °F
Climate (2020–Present)
St. Louis Lambert International Airport (2.5 miles)
Average Low 2020–2025
50.5 °FAverage 2020–2025
59.8 °FAverage High 2020–2025
69.2 °F