Fairmount Weather Forecast
- 47
- 69
Becoming Sunny
- 48
- 69
Mostly Cloudy
- 55
- 69
Mostly Cloudy
- 61
- 74
Rain Showers Likely
- 62
- 84
Rain Showers Likely
- 61
- 84
Chance Rain Showers
Today 25 Jun Carlton/South St. Louis
Patchy fog this morning. Partly sunny this Morning, then sunny with a chance of Sprinkles this afternoon. Highs in the lower 70s. Northeast Winds 5 to 10 Mph.
Tonight 25 Jun Carlton/South St. Louis
Mostly clear. Lows in the upper 40s. East Winds around 5 Mph.
Fairmount Temperature Statistics
June Temperature
Richard I. Bong Airport (5.6 miles)
Lowest 2 June, 2026
37.2 °FAverage June
58.3 °FHighest 3 June, 2026
84.9 °F
Climate (2021–2026)
Richard I. Bong Airport (5.6 miles)
Average Low 2021–2026
33.5 °FAverage 2021–2026
42.8 °FAverage High 2021–2026
51.1 °F