Climate almanac
Port Isabel
Texas, United States · 26.07°, -97.21°
What is the weather like in Port Isabel in March?
In March, Port Isabel is typically 72°F (22°C) during the day and 67°F (20°C) at night. The month brings about 1.7 in (44 mm) of precipitation in total.
- Average high72°F (22°C)
- Average low67°F (20°C)
- Precipitation1.7 in (44 mm)
- Clear or mostly clear days11
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)