Arlington Heights Weather in August

Arlington Heights in August averages 28°C (82°F) during the day and 17°C (63°F) at night. This is part of the summer season, and quite a bit of rainfall is expected this month.

Rainfall in Arlington Heights in August

Based on our climate data of the past 30 years, about 11 days of rain are anticipated, with 119 mm (4.7 in) on average. When it rains this month, it tends to come down fairly heavily. Showers can be substantial even if they don't last all day.

Temperature in Arlington Heights in August

In August, Arlington Heights sees high temperatures, with highs of 28°C (82°F). Nights drop to around 17°C (63°F). The summer season is characteristic of August. This gives the month a fairly typical daily rhythm, with warmer afternoons and more comfortable nights. Nights cool down to 17°C (63°F), so a light jacket or extra layer is useful once the sun goes down. On the plus side, the cooler nights make for comfortable sleeping conditions.

Sunshine in Arlington Heights in August

Expect sunny days throughout the month, with an estimated 280 hours of sunshine. This makes it a pleasant time to visit Arlington Heights.

Wind Speed in Arlington Heights in August

In August, average wind speeds reach 4 m/s (8 knots), leading to light to moderate breezes. Conditions vary from day to day, with both calm and windier periods.

For Arlington Heights itself, September generally stands out with the best circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.