Arlington Heights Weather Forecast
- 66
- 91
Mostly Cloudy
- 60
- 73
Mostly Cloudy
- 67
- 80
Rain Showers Likely
- 67
- 83
Thunderstorms Likely
- 67
- 80
Chance Thunderstorms
- 71
- 84
Chance Thunderstorms
- 74
- 90
Slight Chance Thunderstorms
Today 16 Jul Northern Cook
Partly cloudy late in the Morning, then becoming mostly cloudy. Isolated Showers and Thunderstorms early to mid afternoon. Scattered Showers and Thunderstorms late in the afternoon. Hot and humid. Highs in the lower 90s. Southwest Winds 5 to 10 Mph, increasing to 10 to 15 Mph with Gusts up to 25 Mph in the afternoon. Chance of precipitation 50 percent.
Tonight 16 Jul Northern Cook
Mostly cloudy. Breezy. Lows in the mid 60s. West Winds 10 to 15 Mph with Gusts up to 30 Mph, becoming northwest after midnight.
Arlington Heights Temperature Statistics
July Temperature
Chicago / Wheeling, Pal-Waukee Airport (4.3 miles)
Lowest 10 July, 2025
62.7 °FAverage July
77.3 °FHighest 5 July, 2025
93.7 °F
Climate (2020–Present)
Chicago / Wheeling, Pal-Waukee Airport (4.3 miles)
Average Low 2020–2025
44.1 °FAverage 2020–2025
52.9 °FAverage High 2020–2025
61.5 °F