Cook Weather Forecast
- 46
- 61
Rain Showers
- 40
- 62
Partly Sunny
- 43
- 66
Slight Chance Rain Showers
- 44
- 68
Partly Sunny
- 47
- 69
Chance Rain Showers
- 43
- 67
Partly Sunny
Today 14 Sep Central St. Louis
Patchy frost in the morning. Mostly sunny in the Morning, then cloudy with rain Showers with a slight chance of Thunderstorms in the afternoon. Highs around 60. Temperature falling into the mid 50s in the afternoon. Southeast Winds 10 to 15 Mph with Gusts up to 30 Mph. Chance of rain 90 percent.
Tonight 14 Sep Central St. Louis
Showers with a slight chance of Thunderstorms in the evening. Not as cool with Lows in the upper 40s. South Winds 10 to 15 Mph, becoming southwest after midnight. Gusts up to 30 Mph. Chance of rain near 100 percent.
Cook Temperature Statistics
September Temperature
Cook Municipal Airport (1.9 miles)
Lowest 10 September, 2026
39.2 °FAverage September
65.3 °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
41.7 °FAverage High 2021–2026
51.8 °F