Swansea Weather Forecast
- 66
- 71
Chance Thunderstorms
- 68
- 80
Chance Thunderstorms
- 65
- 82
Rain Showers
- 58
- 77
Rain Showers Likely
- 62
- 82
Slight Chance Thunderstorms
- 59
- 81
Chance Thunderstorms
Today 26 Apr St. Clair
Cloudy with a chance of Thunderstorms. A chance of Showers. Highs in the lower 70s. Southeast Winds 15 to 20 Mph with Gusts up to 30 Mph. Chance of rain 50 percent.
Tonight 26 Apr St. Clair
Mostly cloudy with a chance of Thunderstorms. A chance of Showers. Not as cool. Near steady temperature in the upper 60s. South Winds 15 to 20 Mph with Gusts up to 35 Mph. Chance of rain 50 percent.
Swansea Temperature Statistics
April Temperature
Belleville, Scott AFB/MidAmerica Airport (7.5 miles)
Lowest 6 April, 2024
34.2 °FAverage April
58.2 °FHighest 14 April, 2024
85.5 °F
Climate (2019–Present)
Belleville, Scott AFB/MidAmerica Airport (7.5 miles)
Take a look at our website widgetsAvailable free! Find Out MoreAverage Low 2019–2024
47 °FAverage 2019–2024
56.8 °FAverage High 2019–2024
67 °F