South Barrington Weather Forecast
- 71
- 91
Chance Thunderstorms
- 70
- 81
Chance Thunderstorms
- 72
- 91
Chance Thunderstorms
- 65
- 87
Chance Thunderstorms
- 62
- 76
Partly Sunny
- 61
- 80
Mostly Sunny
Today 16 Aug Northern Cook
Mostly sunny through mid Morning, then becoming partly cloudy. A slight chance of Showers and Thunderstorms in the Morning, then a chance of Showers and Thunderstorms in the afternoon. Highs in the lower 90s Inland, but only in the upper 80s near the lake. Southwest Winds 5 to 10 Mph. Chance of precipitation 40 percent. Heat index Values up to 103.
Tonight 16 Aug Northern Cook
Mostly cloudy. Showers and Thunderstorms likely late in the Afternoon, then a chance of Showers and Thunderstorms until early morning. A slight chance of Showers and Thunderstorms late. Lows in the lower 70s. Southwest Winds 5 to 10 Mph, becoming northwest after midnight. Chance of precipitation 60 percent.
South Barrington Temperature Statistics
August Temperature
Chicago / Wheeling, Pal-Waukee Airport (12.4 miles)
Lowest 2 August, 2025
58.6 °FAverage August
77.4 °FHighest 9 August, 2025
96.7 °F
Climate (2020–Present)
Chicago / Wheeling, Pal-Waukee Airport (12.4 miles)
Average Low 2020–2025
44.2 °FAverage 2020–2025
52.9 °FAverage High 2020–2025
61.5 °F