Randolph Weather Forecast
- 60
- 90
Mostly Sunny
- 62
- 89
Chance Thunderstorms
- 62
- 86
Slight Chance Thunderstorms
- 63
- 84
Chance Thunderstorms
- 62
- 82
Chance Rain Showers
- 58
- 81
Slight Chance Thunderstorms
Today 18 Sep McLean
Sunny. Highs around 90. Southeast Winds around 5 Mph.
Tonight 18 Sep McLean
Mostly clear. Lows in the upper 50s. East Winds around 5 Mph.
Randolph Temperature Statistics
September Temperature
Bloomington/Normal, Central Illinois Regional Airport at Bloomington-Normal (7.5 miles)
Lowest 7 September, 2025
45 °FAverage September
66.6 °FHighest 13 September, 2025
93.9 °F
Climate (2020–Present)
Bloomington/Normal, Central Illinois Regional Airport at Bloomington-Normal (7.5 miles)
Average Low 2020–2025
43.5 °FAverage 2020–2025
52.8 °FAverage High 2020–2025
62.1 °F