Climate almanac
Portsmouth
Ohio, United States · 38.73°, -83.00°
What is the weather like in Portsmouth in August?
In August, Portsmouth is typically 85°F (30°C) during the day and 67°F (20°C) at night. The month brings about 4.0 in (102 mm) of precipitation in total.
- Average high85°F (30°C)
- Average low67°F (20°C)
- Precipitation4.0 in (102 mm)
- Clear or mostly clear days12
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)