Port Barrington Weather Forecast
- 70
- 91
Thunderstorms Likely
- 68
- 83
Rain Showers Likely
- 69
- 85
Rain Showers Likely
- 72
- 89
Slight Chance Thunderstorms
- 73
- 92
Slight Chance Thunderstorms
- 66
- 89
Slight Chance Thunderstorms
Today 24 Jul McHenry
Mostly cloudy. A chance of Showers and Thunderstorms in the Morning, then Showers and Thunderstorms likely in the afternoon. Some Thunderstorms may produce heavy rainfall in the afternoon. Continued hot and humid. Highs in the upper 80s. West Winds 10 to 15 Mph. Chance of precipitation 60 percent. Heat index Values up to 102.
Tonight 24 Jul McHenry
Mostly cloudy. A chance of Thunderstorms in the evening. A chance of Showers. A slight chance of Thunderstorms after midnight. Lows around 70. Northwest Winds 5 to 10 Mph, becoming north after midnight. Chance of precipitation 50 percent.
Port Barrington Temperature Statistics
July Temperature
Chicago / Wheeling, Pal-Waukee Airport (17.4 miles)
Lowest 18 July, 2025
59.6 °FAverage July
76 °FHighest 5 July, 2025
93.7 °F
Climate (2020–Present)
Chicago / Wheeling, Pal-Waukee Airport (17.4 miles)
Average Low 2020–2025
44.1 °FAverage 2020–2025
52.9 °FAverage High 2020–2025
61.5 °F