Foster Pond Weather Forecast
- 71
- 94
Rain Showers
- 66
- 81
Rain Showers
- 66
- 82
Mostly Cloudy
- 68
- 88
Slight Chance Rain Showers
- 69
- 89
Mostly Sunny
- 71
- 92
Slight Chance Thunderstorms
- 67
- 90
Chance Rain Showers
Today 9 Sep Monroe
Mostly sunny with a chance of Showers and Thunderstorms. Hot with Highs in the mid 90s. Southwest Winds around 5 Mph. Chance of rain 50 percent. Heat index Values up to 104.
Tonight 9 Sep Monroe
Partly cloudy this Evening, then becoming mostly cloudy. A chance of Thunderstorms. A chance of Showers this Evening, then Showers likely after midnight. Lows around 70. South Winds around 5 Mph. Chance of rain 70 percent.
Foster Pond Temperature Statistics
September Temperature
St. Louis Downtown Airport (17.4 miles)
Lowest 7 September, 2026
63 °FAverage September
84.8 °FHighest 5 September, 2026
102.7 °F
Climate (2021–2026)
St. Louis Downtown Airport (17.4 miles)
Average Low 2021–2026
47.7 °FAverage 2021–2026
58.6 °FAverage High 2021–2026
69.4 °F