Niles Bay Weather Forecast
- 51
- 66
Mostly Cloudy
- 52
- 62
Rain Showers Likely
- 54
- 65
Rain Showers Likely
- 53
- 69
Rain Showers Likely
- 52
- 72
Chance Rain Showers
- 51
- 68
Slight Chance Rain Showers
Today 18 Sep North St. Louis
Cloudy. Highs in the mid 60s. East Winds 5 to 10 Mph.
Tonight 18 Sep North St. Louis
Mostly cloudy. Lows in the lower 50s. East Winds 5 to 10 Mph with Gusts up to 20 Mph.
Niles Bay Temperature Statistics
September Temperature
Cook Municipal Airport (10.6 miles)
Lowest 7 September, 2025
32 °FAverage September
57.9 °FHighest 16 September, 2025
84.2 °F
Climate (2020–Present)
Cook Municipal Airport (10.6 miles)
Average Low 2020–2025
30.5 °FAverage 2020–2025
41.7 °FAverage High 2020–2025
51.8 °F