Summerfield Weather Forecast
- 56
- 77
Gradual Clearing
- 58
- 77
Mostly Sunny
- 62
- 82
Chance Thunderstorms
- 71
- 87
Rain Showers
- 62
- 82
Rain Showers Likely
- 63
- 82
Partly Sunny
Today 14 Jun St. Clair
Mostly cloudy with a slight chance of Thunderstorms with isolated Showers this Morning, then mostly sunny this afternoon. Highs in the upper 70s. Northwest Winds 15 to 20 Mph. Gusts up to 35 Mph this morning. Chance of rain 20 percent.
Tonight 14 Jun St. Clair
Mostly clear in the Evening, then becoming partly cloudy. Cooler with Lows in the mid 50s. Northwest Winds 10 to 15 Mph, Diminishing to around 5 Mph after midnight.
Summerfield Temperature Statistics
June Temperature
Belleville, Scott AFB/MidAmerica Airport (6.2 miles)
Lowest 3 June, 2026
55.2 °FAverage June
78 °FHighest 9 June, 2026
92.8 °F
Climate (2021–Present)
Belleville, Scott AFB/MidAmerica Airport (6.2 miles)
Average Low 2021–2026
47.8 °FAverage 2021–2026
57.8 °FAverage High 2021–2026
68.1 °F