Climate almanac
Port Isabel
Texas, United States · 26.07°, -97.21°
What is the weather like in Port Isabel in August?
In August, Port Isabel is typically 85°F (30°C) during the day and 82°F (28°C) at night. The month brings about 1.8 in (46 mm) of precipitation in total.
- Average high85°F (30°C)
- Average low82°F (28°C)
- Precipitation1.8 in (46 mm)
- Clear or mostly clear days16
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)