Mount Prospect Weather in August

In Mount Prospect, August brings high daytime temperatures around 28°C (82°F), with nights cooling to 18°C (64°F). Expect quite a bit of rainfall this month.

Rainfall in Mount Prospect in August

Rain is expected on roughly 11 days, totalling around 118 mm (4.6 in) for the month. When showers do arrive, they tend to be on the heavier side. Worth being prepared even if rain days are not that numerous.

Temperature in Mount Prospect in August

In August, Mount Prospect gets high temperatures, with highs of 28°C (82°F). Nights cool to around 18°C (64°F). This month falls in the summer season. Conditions stay fairly consistent through the month, making it easier to plan what to wear. With overnight lows of 18°C (64°F), evenings can feel noticeably cooler than the daytime. An extra layer is a good idea, though the cool air makes for a good night's sleep.

Sunshine in Mount Prospect in August

The month enjoys around 280 hours of sunshine, creating mostly sunny days with good weather conditions.

Wind Speed in Mount Prospect 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 Mount Prospect 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.

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For a detailed overview over the year and the best time to visit the United States of America, check out our Mount Prospect's climate page.

Mount Prospect Temperature in August

Min Temperature 18°C (64°F)  

Max Temperature 28°C (82°F)  

Chance of Rain 37%  

Precipitation 118 mm (4.6 in)  

Rainy days 11 days  

Humidity 71% *  

Windspeed 4 m/s (8 knots) *  

Sunshine 280 hours *  

Percentage Sunshine 66% *  

* Data from: Chicago, the United States of America (9 KM, 6 Miles).

What to Wear in Mount Prospect in August

Warm weather calls for comfortable, breathable clothing in August. Cotton t-shirts, shorts, light dresses, and sandals are perfect. You might still want a light layer for evenings or air-conditioned places (for example buses). High rain levels are expected, so pack waterproof gear and an umbrella or poncho. And with plenty of sunshine hours, don’t forget sunglasses, sunscreen, and maybe a sun hat.

What To Do in Mount Prospect in August

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Swimming

9/10

Cycling

7/10

Walking

7/10

Camping

6/10

Outdoor sports

7/10

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit the United States of America, check out our Mount Prospect's climate page.

More climate data for Mount Prospect

Temperature Rainfall Sunshine Humidity Wind Speed

See the full Mount Prospect climate overview or explore weather in the United States of America.