River Forest Weather Forecast
- 80
- 93
Slight Chance Thunderstorms
- 74
- 97
Thunderstorms Likely
- 71
- 82
Rain Showers Likely
- 72
- 85
Thunderstorms Likely
- 72
- 90
Slight Chance Thunderstorms
- 74
- 91
Slight Chance Thunderstorms
Today 23 Jul Central Cook
Partly cloudy. A slight chance of Showers and Thunderstorms late in the afternoon. Hot and humid. Highs in the mid 90s. South Winds 10 to 15 Mph. Chance of precipitation 20 percent. Heat index Values up to 105 in the afternoon.
Tonight 23 Jul Central Cook
Partly cloudy early in the Evening, then becoming mostly clear. Very warm and humid with Lows in the upper 70s. South Winds around 10 Mph. Heat index Values up to 101 early in the evening.
River Forest Temperature Statistics
July Temperature
Chicago, Chicago-O'Hare International Airport (6.8 miles)
Lowest 17 July, 2025
58.6 °FAverage July
77.4 °FHighest 3 July, 2025
95.6 °F
Climate (2020–Present)
Chicago, Chicago-O'Hare International Airport (6.8 miles)
Average Low 2020–2025
45.4 °FAverage 2020–2025
53.4 °FAverage High 2020–2025
61.7 °F