Climate almanac
Foster City
California, United States · 37.56°, -122.27°
What is the weather like in Foster City in March?
In March, Foster City is typically 62°F (17°C) during the day and 48°F (9°C) at night. The month brings about 4.0 in (101 mm) of precipitation in total.
- Average high62°F (17°C)
- Average low48°F (9°C)
- Precipitation4.0 in (101 mm)
- Clear or mostly clear days9
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)