Climate almanac
Mascoutah
Illinois, United States · 38.49°, -89.79°
What is the weather like in Mascoutah in August?
In August, Mascoutah is typically 86°F (30°C) during the day and 69°F (20°C) at night. The month brings about 4.4 in (112 mm) of precipitation in total.
- Average high86°F (30°C)
- Average low69°F (20°C)
- Precipitation4.4 in (112 mm)
- Clear or mostly clear days12
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)