Barrington Weather Forecast
- 57
- 68
Rain Showers
- 53
- 64
Chance Rain Showers
- 52
- 62
Slight Chance Rain Showers
- 52
- 64
Mostly Cloudy
- 54
- 67
Mostly Cloudy
- 53
- 70
Partly Sunny
Today 20 Sep Northern Cook
Cloudy. Patchy fog early in the morning. Showers in the morning. A slight chance of Thunderstorms until late afternoon. A chance of Showers in the afternoon. Breezy with Highs in the upper 60s. Northeast Winds 15 to 20 Mph with Gusts up to 30 Mph. Chance of precipitation 90 percent.
Tonight 20 Sep Northern Cook
Cloudy. A slight chance of Showers after midnight. A chance of Showers late. Lows in the upper 50s. Northeast Winds 15 to 20 Mph with Gusts up to 25 Mph, becoming east 10 to 15 Mph after midnight. Chance of precipitation 30 percent.
Barrington Temperature Statistics
September Temperature
Chicago / Wheeling, Pal-Waukee Airport (11.8 miles)
Lowest 14 September, 2026
50.6 °FAverage September
73.4 °FHighest 2 September, 2026
96.7 °F
Climate (2021–2026)
Chicago / Wheeling, Pal-Waukee Airport (11.8 miles)
Average Low 2021–2026
44 °FAverage 2021–2026
52.8 °FAverage High 2021–2026
61.5 °F