Black Bay Weather Forecast
- 39
- 62
Gradual Clearing
- 45
- 67
Mostly Cloudy
- 45
- 69
Partly Sunny
- 49
- 68
Chance Rain Showers
- 45
- 68
Slight Chance Rain Showers
- 44
- 65
Chance Rain Showers
Today 15 Sep North St. Louis
Mostly cloudy in the Morning, then becoming partly sunny. A chance of Sprinkles. Highs in the lower 60s. West Winds 15 to 20 Mph with Gusts up to 35 Mph.
Tonight 15 Sep North St. Louis
Partly cloudy with a chance of Sprinkles in the Evening, then mostly cloudy after midnight. Lows around 40. West Winds 5 to 10 Mph. Gusts up to 25 Mph in the evening.
Black Bay Temperature Statistics
September Temperature
Cook Municipal Airport (10.6 miles)
Lowest 10 September, 2026
39.2 °FAverage September
64.5 °FHighest 3 September, 2026
82.4 °F
Climate (2021–2026)
Cook Municipal Airport (10.6 miles)
Average Low 2021–2026
30.3 °FAverage 2021–2026
41.7 °FAverage High 2021–2026
51.8 °F