Climate almanac
Potomac
Maryland, United States · 39.02°, -77.21°
What is the weather like in Potomac in July?
In July, Potomac is typically 90°F (32°C) during the day and 72°F (22°C) at night. The month brings about 5.8 in (147 mm) of precipitation in total.
- Average high90°F (32°C)
- Average low72°F (22°C)
- Precipitation5.8 in (147 mm)
- Clear or mostly clear days9
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)