Climate almanac
San Bernardino
California, United States · 34.11°, -117.29°
What is the weather like in San Bernardino in October?
In October, San Bernardino is typically 80°F (27°C) during the day and 55°F (13°C) at night. The month brings about 0.6 in (15 mm) of precipitation in total.
- Average high80°F (27°C)
- Average low55°F (13°C)
- Precipitation0.6 in (15 mm)
- Clear or mostly clear days24
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)