Mount Pleasant Weather Forecast
- 58
- 74
Rain Likely
- 56
- 67
Chance Rain Showers
- 62
- 70
Rain Showers Likely
- 54
- 72
Rain Showers
- 49
- 67
Slight Chance Rain Showers
- 48
- 67
Partly Sunny
Today 31 Oct St. Louis City
Cloudy with a chance of Sprinkles. Highs in the lower 70s. East Winds around 5 Mph.
Tonight 31 Oct St. Louis City
Mostly cloudy. A chance of rain after midnight. Lows in the mid 50s. East Winds around 5 Mph. Chance of rain 50 percent.
Mount Pleasant Temperature Statistics
October Temperature
St. Louis Downtown Airport (4.3 miles)
Lowest 18 October, 2026
35.7 °FAverage October
64.3 °FHighest 13 October, 2026
94.6 °F
Climate (2021–2026)
St. Louis Downtown Airport (4.3 miles)
Average Low 2021–2026
47.8 °FAverage 2021–2026
58.7 °FAverage High 2021–2026
69.6 °F