Cook Weather Forecast
- 62
- 81
Chance Thunderstorms
- 61
- 74
Rain Showers
- 55
- 77
Partly Sunny
- 44
- 68
Partly Sunny
- 52
- 73
Mostly Sunny
- 47
- 75
Slight Chance Thunderstorms
- 43
- 67
Chance Rain Showers
Today 6 Sep Central St. Louis
Mostly sunny. Near steady temperature in the upper 70s. South Winds around 5 Mph.
Tonight 6 Sep Central St. Louis
Mostly cloudy with a slight chance of Thunderstorms. A slight chance of Showers in the Evening, then a chance of Showers after midnight. Humid with Lows around 60. Southeast Winds around 5 Mph. Chance of rain 50 percent.
Cook Temperature Statistics
September Temperature
Cook Municipal Airport (1.9 miles)
Lowest 2 September, 2026
48.2 °FAverage September
64 °FHighest 3 September, 2026
82.4 °F
Climate (2021–2026)
Cook Municipal Airport (1.9 miles)
Average Low 2021–2026
30.3 °FAverage 2021–2026
41.6 °FAverage High 2021–2026
51.7 °F