Side Lake Weather Forecast
- 43
- 71
Becoming Sunny
- 49
- 74
Mostly Sunny
- 53
- 77
Chance Thunderstorms
- 50
- 76
Slight Chance Thunderstorms
- 48
- 74
Mostly Sunny
- 51
- 75
Partly Sunny
Today 18 Aug Central St. Louis
Sunny. Highs in the lower 70s. Northwest Winds 5 to 10 Mph.
Tonight 18 Aug Central St. Louis
Mostly clear. Cold with Lows in the lower 40s. Northwest Winds 5 to 10 Mph in the Evening, becoming light and variable.
Side Lake Temperature Statistics
August Temperature
Cook Municipal Airport (19.3 miles)
Lowest 5 August, 2026
41 °FAverage August
65 °FHighest 2 August, 2026
80.6 °F
Climate (2021–2026)
Cook Municipal Airport (19.3 miles)
Average Low 2021–2026
30.3 °FAverage 2021–2026
41.7 °FAverage High 2021–2026
51.7 °F