Cottleville Weather Forecast
- 73
- 87
Chance Thunderstorms
- 76
- 93
Chance Thunderstorms
- 75
- 93
Chance Thunderstorms
- 76
- 94
Slight Chance Thunderstorms
- 76
- 96
Mostly Sunny
- 76
- 97
Hot
Today 18 Jul St. Charles
Cloudy early this Morning, then partly sunny with a chance of Showers and Thunderstorms this afternoon. Highs in the upper 80s. East Winds around 5 Mph. Chance of rain 30 percent.
Tonight 18 Jul St. Charles
Mostly cloudy in the Evening, then becoming partly cloudy. A chance of Showers and Thunderstorms. Humid with Lows in the lower 70s. South Winds around 5 Mph. Chance of rain 40 percent.
Cottleville Temperature Statistics
July Temperature
St. Louis, Spirit Of St. Louis Airport (6.2 miles)
Lowest 2 July, 2025
62.1 °FAverage July
79.6 °FHighest 16 July, 2025
93.9 °F
Climate (2020–Present)
St. Louis, Spirit Of St. Louis Airport (6.2 miles)
Average Low 2020–2025
45.8 °FAverage 2020–2025
56.8 °FAverage High 2020–2025
68 °F