Rantoul Weather Forecast
- 70
- 89
Mostly Sunny
- 70
- 89
Mostly Sunny
- 71
- 88
Slight Chance Thunderstorms
- 69
- 89
Chance Thunderstorms
- 69
- 87
Chance Thunderstorms
- 68
- 85
Chance Thunderstorms
Today 8 Aug Champaign
Sunny. Near steady temperature in the upper 80s. South Winds around 10 Mph with Gusts up to 20 Mph.
Tonight 8 Aug Champaign
Mostly clear. Lows in the lower 70s. South Winds 5 to 10 Mph.
Rantoul Temperature Statistics
August Temperature
Rantoul National Aviation Center Airport (1.2 miles)
Lowest 3 August, 2025
56.5 °FAverage August
70 °FHighest 6 August, 2025
85.1 °F
Climate (2020–Present)
Rantoul National Aviation Center Airport (1.2 miles)
Average Low 2020–2025
43.1 °FAverage 2020–2025
52.6 °FAverage High 2020–2025
62.2 °F