Climate almanac
Costa Mesa
California, United States · 33.64°, -117.92°
What is the weather like in Costa Mesa in March?
In March, Costa Mesa is typically 67°F (19°C) during the day and 53°F (12°C) at night. The month brings about 2.5 in (63 mm) of precipitation in total.
- Average high67°F (19°C)
- Average low53°F (12°C)
- Precipitation2.5 in (63 mm)
- Clear or mostly clear days13
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)